252556401115 has 4 divisors (see below), whose sum is σ = 303067681344. Its totient is φ = 202045120888.

The previous prime is 252556401091. The next prime is 252556401137. The reversal of 252556401115 is 511104655252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252556401115 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25255640107 + ... + 25255640116.

It is an arithmetic number, because the mean of its divisors is an integer number (75766920336).

Almost surely, 2^252556401115 is an apocalyptic number.

252556401115 is a deficient number, since it is larger than the sum of its proper divisors (50511280229).

252556401115 is an equidigital number, since it uses as much as digits as its factorization.

252556401115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50511280228.

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 252556401115 in words is "two hundred fifty-two billion, five hundred fifty-six million, four hundred one thousand, one hundred fifteen".