13545052131 has 16 divisors (see below), whose sum is σ = 19524998304. Its totient is φ = 8302977024.

The previous prime is 13545052057. The next prime is 13545052163. The reversal of 13545052131 is 13125054531.

It is not a de Polignac number, because 13545052131 - 2¹⁵ = 13545019363 is a prime.

It is a super-2 number, since 2×13545052131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13545052831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 665676 + ... + 685721.

It is an arithmetic number, because the mean of its divisors is an integer number (1220312394).

Almost surely, 2^13545052131 is an apocalyptic number.

13545052131 is a deficient number, since it is larger than the sum of its proper divisors (5979946173).

13545052131 is a wasteful number, since it uses less digits than its factorization.

13545052131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351670.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 13545052131 in words is "thirteen billion, five hundred forty-five million, fifty-two thousand, one hundred thirty-one".