252043766565131 has 8 divisors (see below), whose sum is σ = 257406715259904. Its totient is φ = 246680831010600.

The previous prime is 252043766565127. The next prime is 252043766565161. The reversal of 252043766565131 is 131565667340252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252043766565131 - 2² = 252043766565127 is a prime.

It is a super-2 number, since 2×252043766565131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252043766565161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42079886 + ... + 47694908.

It is an arithmetic number, because the mean of its divisors is an integer number (32175839407488).

Almost surely, 2^{252043766565131} is an apocalyptic number.

252043766565131 is a deficient number, since it is larger than the sum of its proper divisors (5362948694773).

252043766565131 is an equidigital number, since it uses as much as digits as its factorization.

252043766565131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6570121.

The product of its (nonzero) digits is 27216000, while the sum is 56.

The spelling of 252043766565131 in words is "two hundred fifty-two trillion, forty-three billion, seven hundred sixty-six million, five hundred sixty-five thousand, one hundred thirty-one".