11507016645 has 96 divisors (see below), whose sum is σ = 21394264320. Its totient is φ = 5704473600.

The previous prime is 11507016641. The next prime is 11507016659. The reversal of 11507016645 is 54661070511.

It is a happy number.

11507016645 is a `hidden beast` number, since 1 + 1 + 5 + 0 + 7 + 0 + 1 + 6 + 645 = 666.

It is not a de Polignac number, because 11507016645 - 2² = 11507016641 is a prime.

It is a super-2 number, since 2×11507016645² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11507016641) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16414795 + ... + 16415495.

It is an arithmetic number, because the mean of its divisors is an integer number (222856920).

Almost surely, 2^11507016645 is an apocalyptic number.

11507016645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11507016645 is a deficient number, since it is larger than the sum of its proper divisors (9887247675).

11507016645 is a wasteful number, since it uses less digits than its factorization.

11507016645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067 (or 1064 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 11507016645 in words is "eleven billion, five hundred seven million, sixteen thousand, six hundred forty-five".