13545054531 has 24 divisors (see below), whose sum is σ = 19866450240. Its totient is φ = 8891069616.

The previous prime is 13545054511. The next prime is 13545054569.

13545054531 is a `hidden beast` number, since 1 + 35 + 4 + 50 + 545 + 31 = 666.

13545054531 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 13545054531 - 2⁷ = 13545054403 is a prime.

It is a super-2 number, since 2×13545054531² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13545054511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1768396 + ... + 1776038.

It is an arithmetic number, because the mean of its divisors is an integer number (827768760).

Almost surely, 2^13545054531 is an apocalyptic number.

13545054531 is a deficient number, since it is larger than the sum of its proper divisors (6321395709).

13545054531 is a wasteful number, since it uses less digits than its factorization.

13545054531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10655 (or 10652 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

It can be divided in two parts, 135450 and 54531, that added together give a palindrome (189981).

The spelling of 13545054531 in words is "thirteen billion, five hundred forty-five million, fifty-four thousand, five hundred thirty-one".