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11215343325 = 352191782921
BaseRepresentation
bin10100111000111110…
…01000111011011101
31001221121122110202010
422130133020323131
5140432111441300
65052515421433
7544632562644
oct123437107335
931847573663
1011215343325
11483585048a
12220bbb4879
131099724634
1478572835b
15459929a50
hex29c7c8edd

11215343325 has 24 divisors (see below), whose sum is σ = 18639806976. Its totient is φ = 5950192000.

The previous prime is 11215343287. The next prime is 11215343327. The reversal of 11215343325 is 52334351211.

It is not a de Polignac number, because 11215343325 - 210 = 11215342301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11215343292 and 11215343301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11215343327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 377136 + ... + 405785.

It is an arithmetic number, because the mean of its divisors is an integer number (776658624).

Almost surely, 211215343325 is an apocalyptic number.

11215343325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11215343325 is a deficient number, since it is larger than the sum of its proper divisors (7424463651).

11215343325 is a wasteful number, since it uses less digits than its factorization.

11215343325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783125 (or 783120 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

Adding to 11215343325 its reverse (52334351211), we get a palindrome (63549694536).

The spelling of 11215343325 in words is "eleven billion, two hundred fifteen million, three hundred forty-three thousand, three hundred twenty-five".

Divisors: 1 3 5 15 25 75 191 573 955 2865 4775 14325 782921 2348763 3914605 11743815 19573025 58719075 149537911 448613733 747689555 2243068665 3738447775 11215343325