15600864132 has 72 divisors (see below), whose sum is σ = 45093886656. Its totient is φ = 4454944704.

The previous prime is 15600864119. The next prime is 15600864133. The reversal of 15600864132 is 23146800651.

It is a happy number.

15600864132 is a `hidden beast` number, since 1 + 5 + 6 + 0 + 0 + 8 + 641 + 3 + 2 = 666.

It is a super-2 number, since 2×15600864132² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (15600864133) 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, 471103 + ... + 503129.

Almost surely, 2^15600864132 is an apocalyptic number.

15600864132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15600864132 is an abundant number, since it is smaller than the sum of its proper divisors (29493022524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15600864132 is a wasteful number, since it uses less digits than its factorization.

15600864132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33977 (or 33972 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 15600864132 in words is "fifteen billion, six hundred million, eight hundred sixty-four thousand, one hundred thirty-two".