531162127157361 has 32 divisors (see below), whose sum is σ = 814841071968000. Its totient is φ = 301477124136960.

The previous prime is 531162127157329. The next prime is 531162127157399. The reversal of 531162127157361 is 163751721261135.

It is not a de Polignac number, because 531162127157361 - 2⁵ = 531162127157329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (531162127157161) 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 31 ways as a sum of consecutive naturals, for example, 133592145 + ... + 137510673.

It is an arithmetic number, because the mean of its divisors is an integer number (25463783499000).

Almost surely, 2^{531162127157361} is an apocalyptic number.

It is an amenable number.

531162127157361 is a deficient number, since it is larger than the sum of its proper divisors (283678944810639).

531162127157361 is a wasteful number, since it uses less digits than its factorization.

531162127157361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3962009.

The product of its digits is 1587600, while the sum is 51.

The spelling of 531162127157361 in words is "five hundred thirty-one trillion, one hundred sixty-two billion, one hundred twenty-seven million, one hundred fifty-seven thousand, three hundred sixty-one".