252311118081 has 16 divisors (see below), whose sum is σ = 367240946688. Its totient is φ = 152814597200.

The previous prime is 252311118077. The next prime is 252311118181. The reversal of 252311118081 is 180811113252.

It is a cyclic number.

It is not a de Polignac number, because 252311118081 - 2² = 252311118077 is a prime.

It is a super-2 number, since 2×252311118081² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (252311118181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2480181 + ... + 2579906.

It is an arithmetic number, because the mean of its divisors is an integer number (22952559168).

Almost surely, 2^252311118081 is an apocalyptic number.

It is an amenable number.

252311118081 is a deficient number, since it is larger than the sum of its proper divisors (114929828607).

252311118081 is a wasteful number, since it uses less digits than its factorization.

252311118081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5061612.

The product of its (nonzero) digits is 3840, while the sum is 33.

The spelling of 252311118081 in words is "two hundred fifty-two billion, three hundred eleven million, one hundred eighteen thousand, eighty-one".