531564465135 has 32 divisors (see below), whose sum is σ = 928172892672. Its totient is φ = 257630647680.

The previous prime is 531564465101. The next prime is 531564465151.

531564465135 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 531564465135 - 2¹⁸ = 531564202991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171784 + ... + 1045293.

It is an arithmetic number, because the mean of its divisors is an integer number (29005402896).

Almost surely, 2^531564465135 is an apocalyptic number.

531564465135 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

531564465135 is a deficient number, since it is larger than the sum of its proper divisors (396608427537).

531564465135 is a wasteful number, since it uses less digits than its factorization.

531564465135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219743.

The product of its digits is 3240000, while the sum is 48.

It can be divided in two parts, 531564 and 465135, that added together give a palindrome (996699).

The spelling of 531564465135 in words is "five hundred thirty-one billion, five hundred sixty-four million, four hundred sixty-five thousand, one hundred thirty-five".