15605765952 has 56 divisors (see below), whose sum is σ = 47188867776. Its totient is φ = 4458789888.

The previous prime is 15605765827. The next prime is 15605766019. The reversal of 15605765952 is 25956750651.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 15605765895 and 15605765904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5804373 + ... + 5807060.

Almost surely, 2^15605765952 is an apocalyptic number.

15605765952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15605765952 is an abundant number, since it is smaller than the sum of its proper divisors (31583101824).

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

15605765952 is a wasteful number, since it uses less digits than its factorization.

15605765952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11611455 (or 11611445 counting only the distinct ones).

The product of its (nonzero) digits is 2835000, while the sum is 51.

The spelling of 15605765952 in words is "fifteen billion, six hundred five million, seven hundred sixty-five thousand, nine hundred fifty-two".