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11445500125550 = 2521912047894869
BaseRepresentation
bin1010011010001101110011…
…1110000010000101101110
31111112011211120201220122102
42212203130332002011232
53000010341013004200
640201553513215102
72260624106601521
oct246433476020556
944464746656572
1011445500125550
11371301148a057
12134a26aa01492
136503c94707ba
142b7d72592bb8
1514cacc8816d5
hexa68dcf8216e

11445500125550 has 24 divisors (see below), whose sum is σ = 22409084458200. Its totient is φ = 4337242152480.

The previous prime is 11445500125541. The next prime is 11445500125559. The reversal of 11445500125550 is 5552100554411.

11445500125550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11445500125541) and next prime (11445500125559).

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11445500125559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6023946485 + ... + 6023948384.

It is an arithmetic number, because the mean of its divisors is an integer number (933711852425).

Almost surely, 211445500125550 is an apocalyptic number.

11445500125550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11445500125550 is a deficient number, since it is larger than the sum of its proper divisors (10963584332650).

11445500125550 is a wasteful number, since it uses less digits than its factorization.

11445500125550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12047894900 (or 12047894895 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 38.

Adding to 11445500125550 its reverse (5552100554411), we get a palindrome (16997600679961).

The spelling of 11445500125550 in words is "eleven trillion, four hundred forty-five billion, five hundred million, one hundred twenty-five thousand, five hundred fifty".

Divisors: 1 2 5 10 19 25 38 50 95 190 475 950 12047894869 24095789738 60239474345 120478948690 228910002511 301197371725 457820005022 602394743450 1144550012555 2289100025110 5722750062775 11445500125550