15709804552 has 16 divisors (see below), whose sum is σ = 31721720940. Its totient is φ = 7250678976.

The previous prime is 15709804541. The next prime is 15709804577. The reversal of 15709804552 is 25540890751.

It can be written as a sum of positive squares in 2 ways, for example, as 13327778916 + 2382025636 = 115446^2 + 48806^2 .

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 3 ways as a sum of consecutive naturals, for example, 75527803 + ... + 75528010.

Almost surely, 2^15709804552 is an apocalyptic number.

It is an amenable number.

15709804552 is an abundant number, since it is smaller than the sum of its proper divisors (16011916388).

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

15709804552 is a wasteful number, since it uses less digits than its factorization.

15709804552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151055832 (or 151055828 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 46.

The spelling of 15709804552 in words is "fifteen billion, seven hundred nine million, eight hundred four thousand, five hundred fifty-two".