15972811088 has 40 divisors (see below), whose sum is σ = 33335507016. Its totient is φ = 7370380800.

The previous prime is 15972811087. The next prime is 15972811093. The reversal of 15972811088 is 88011827951.

It can be written as a sum of positive squares in 4 ways, for example, as 2036536384 + 13936274704 = 45128^2 + 118052^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15972811087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1705298 + ... + 1714638.

Almost surely, 2^15972811088 is an apocalyptic number.

It is an amenable number.

15972811088 is an abundant number, since it is smaller than the sum of its proper divisors (17362695928).

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

15972811088 is a wasteful number, since it uses less digits than its factorization.

15972811088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17583 (or 17577 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 50.

The spelling of 15972811088 in words is "fifteen billion, nine hundred seventy-two million, eight hundred eleven thousand, eighty-eight".