531145160625 has 40 divisors (see below), whose sum is σ = 885652425504. Its totient is φ = 283055344000.

The previous prime is 531145160597. The next prime is 531145160627. The reversal of 531145160625 is 526061541135.

It is not a de Polignac number, because 531145160625 - 2¹⁵ = 531145127857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (531145160627) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2295229 + ... + 2516021.

Almost surely, 2^531145160625 is an apocalyptic number.

It is an amenable number.

531145160625 is a deficient number, since it is larger than the sum of its proper divisors (354507264879).

531145160625 is a wasteful number, since it uses less digits than its factorization.

531145160625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222099 (or 222084 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 531145160625 in words is "five hundred thirty-one billion, one hundred forty-five million, one hundred sixty thousand, six hundred twenty-five".