15651141264 has 120 divisors (see below), whose sum is σ = 47820650592. Its totient is φ = 4739074560.

The previous prime is 15651141257. The next prime is 15651141271. The reversal of 15651141264 is 46214115651.

15651141264 is a `hidden beast` number, since 15 + 6 + 511 + 4 + 126 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (15651141257) and next prime (15651141271).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2574132 + ... + 2580204.

Almost surely, 2^15651141264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15651141264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23910325296).

15651141264 is an abundant number, since it is smaller than the sum of its proper divisors (32169509328).

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

15651141264 is a wasteful number, since it uses less digits than its factorization.

15651141264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7725 (or 7716 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The spelling of 15651141264 in words is "fifteen billion, six hundred fifty-one million, one hundred forty-one thousand, two hundred sixty-four".