252512155101556 has 48 divisors (see below), whose sum is σ = 509094084635136. Its totient is φ = 107350660698624.

The previous prime is 252512155101551. The next prime is 252512155101587. The reversal of 252512155101556 is 655101551215252.

It is a super-2 number, since 2×252512155101556² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252512155101551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66061180 + ... + 69778963.

It is an arithmetic number, because the mean of its divisors is an integer number (10606126763232).

Almost surely, 2^{252512155101556} is an apocalyptic number.

It is an amenable number.

252512155101556 is an abundant number, since it is smaller than the sum of its proper divisors (256581929533580).

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

252512155101556 is a wasteful number, since it uses less digits than its factorization.

252512155101556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135840688 (or 135840686 counting only the distinct ones).

The product of its (nonzero) digits is 750000, while the sum is 46.

The spelling of 252512155101556 in words is "two hundred fifty-two trillion, five hundred twelve billion, one hundred fifty-five million, one hundred one thousand, five hundred fifty-six".