13645122875 has 32 divisors (see below), whose sum is σ = 17465849856. Its totient is φ = 10636800000.

The previous prime is 13645122797. The next prime is 13645122901. The reversal of 13645122875 is 57822154631.

It is not a de Polignac number, because 13645122875 - 2¹² = 13645118779 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian 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, 8204294 + ... + 8205956.

It is an arithmetic number, because the mean of its divisors is an integer number (545807808).

Almost surely, 2^13645122875 is an apocalyptic number.

13645122875 is a deficient number, since it is larger than the sum of its proper divisors (3820726981).

13645122875 is a wasteful number, since it uses less digits than its factorization.

13645122875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320 (or 3310 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The spelling of 13645122875 in words is "thirteen billion, six hundred forty-five million, one hundred twenty-two thousand, eight hundred seventy-five".