252767157113 has 4 divisors (see below), whose sum is σ = 255607237620. Its totient is φ = 249927076608.

The previous prime is 252767157067. The next prime is 252767157163. The reversal of 252767157113 is 311751767252.

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

It can be written as a sum of positive squares in 2 ways, for example, as 106202988544 + 146564168569 = 325888^2 + 382837^2 .

It is a cyclic number.

It is not a de Polignac number, because 252767157113 - 2²⁰ = 252766108537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (252767157163) 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, 1420040120 + ... + 1420040297.

It is an arithmetic number, because the mean of its divisors is an integer number (63901809405).

Almost surely, 2^252767157113 is an apocalyptic number.

It is an amenable number.

252767157113 is a deficient number, since it is larger than the sum of its proper divisors (2840080507).

252767157113 is an equidigital number, since it uses as much as digits as its factorization.

252767157113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2840080506.

The product of its digits is 617400, while the sum is 47.

The spelling of 252767157113 in words is "two hundred fifty-two billion, seven hundred sixty-seven million, one hundred fifty-seven thousand, one hundred thirteen".