15711872552 has 16 divisors (see below), whose sum is σ = 29484065940. Its totient is φ = 7849454976.

The previous prime is 15711872551. The next prime is 15711872557. The reversal of 15711872552 is 25527811751.

It can be written as a sum of positive squares in 2 ways, for example, as 12726998596 + 2984873956 = 112814^2 + 54634^2 .

It is not an unprimeable number, because it can be changed into a prime (15711872551) by changing a digit.

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, 799853 + ... + 819260.

Almost surely, 2^15711872552 is an apocalyptic number.

It is an amenable number.

15711872552 is a deficient number, since it is larger than the sum of its proper divisors (13772193388).

15711872552 is a wasteful number, since it uses less digits than its factorization.

15711872552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620332 (or 1620328 counting only the distinct ones).

The product of its digits is 196000, while the sum is 44.

The spelling of 15711872552 in words is "fifteen billion, seven hundred eleven million, eight hundred seventy-two thousand, five hundred fifty-two".