11450974545 has 24 divisors (see below), whose sum is σ = 20120256936. Its totient is φ = 6023524608.

The previous prime is 11450974523. The next prime is 11450974553. The reversal of 11450974545 is 54547905411.

11450974545 is a `hidden beast` number, since 1 + 14 + 5 + 0 + 97 + 4 + 545 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2658536721 + 8792437824 = 51561^2 + 93768^2 .

It is not a de Polignac number, because 11450974545 - 2¹³ = 11450966353 is a prime.

It is a super-2 number, since 2×11450974545² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11450974545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1739634 + ... + 1746203.

It is an arithmetic number, because the mean of its divisors is an integer number (838344039).

Almost surely, 2^11450974545 is an apocalyptic number.

11450974545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11450974545 is a deficient number, since it is larger than the sum of its proper divisors (8669282391).

11450974545 is a wasteful number, since it uses less digits than its factorization.

11450974545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3485921 (or 3485918 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The spelling of 11450974545 in words is "eleven billion, four hundred fifty million, nine hundred seventy-four thousand, five hundred forty-five".