15552452512 has 48 divisors (see below), whose sum is σ = 31031949312. Its totient is φ = 7672008960.

The previous prime is 15552452491. The next prime is 15552452581. The reversal of 15552452512 is 21525425551.

It is a super-2 number, since 2×15552452512² (a number of 21 digits) contains 22 as substring.

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, 725013 + ... + 746155.

It is an arithmetic number, because the mean of its divisors is an integer number (646498944).

Almost surely, 2^15552452512 is an apocalyptic number.

It is an amenable number.

15552452512 is a deficient number, since it is larger than the sum of its proper divisors (15479496800).

15552452512 is a wasteful number, since it uses less digits than its factorization.

15552452512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21461 (or 21453 counting only the distinct ones).

The product of its digits is 100000, while the sum is 37.

The spelling of 15552452512 in words is "fifteen billion, five hundred fifty-two million, four hundred fifty-two thousand, five hundred twelve".