15752252652 has 12 divisors (see below), whose sum is σ = 36755256216. Its totient is φ = 5250750880.

The previous prime is 15752252639. The next prime is 15752252653. The reversal of 15752252652 is 25625225751.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×15752252652² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15752252653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656343849 + ... + 656343872.

It is an arithmetic number, because the mean of its divisors is an integer number (3062938018).

Almost surely, 2^15752252652 is an apocalyptic number.

15752252652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15752252652 is an abundant number, since it is smaller than the sum of its proper divisors (21003003564).

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

15752252652 is a wasteful number, since it uses less digits than its factorization.

15752252652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312687728 (or 1312687726 counting only the distinct ones).

The product of its digits is 420000, while the sum is 42.

The spelling of 15752252652 in words is "fifteen billion, seven hundred fifty-two million, two hundred fifty-two thousand, six hundred fifty-two".