531260634091 has 8 divisors (see below), whose sum is σ = 580865315904. Its totient is φ = 481873995720.

The previous prime is 531260634089. The next prime is 531260634161. The reversal of 531260634091 is 190436062135.

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 531260634091 - 2¹ = 531260634089 is a prime.

It is a super-2 number, since 2×531260634091² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531260634001) 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, 54505761 + ... + 54515506.

It is an arithmetic number, because the mean of its divisors is an integer number (72608164488).

Almost surely, 2^531260634091 is an apocalyptic number.

531260634091 is a deficient number, since it is larger than the sum of its proper divisors (49604681813).

531260634091 is a wasteful number, since it uses less digits than its factorization.

531260634091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109021721.

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 531260634091 in words is "five hundred thirty-one billion, two hundred sixty million, six hundred thirty-four thousand, ninety-one".