13106874878564 has 6 divisors (see below), whose sum is σ = 22937031037494. Its totient is φ = 6553437439280.

The previous prime is 13106874878563. The next prime is 13106874878653. The reversal of 13106874878564 is 46587847860131.

It can be written as a sum of positive squares in only one way, i.e., 12206289062500 + 900585816064 = 3493750^2 + 948992^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13106874878494 and 13106874878503.

It is not an unprimeable number, because it can be changed into a prime (13106874878563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1638359359817 + ... + 1638359359824.

It is an arithmetic number, because the mean of its divisors is an integer number (3822838506249).

Almost surely, 2^{13106874878564} is an apocalyptic number.

It is an amenable number.

13106874878564 is a deficient number, since it is larger than the sum of its proper divisors (9830156158930).

13106874878564 is a wasteful number, since it uses less digits than its factorization.

13106874878564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276718719645 (or 3276718719643 counting only the distinct ones).

The product of its (nonzero) digits is 216760320, while the sum is 68.

The spelling of 13106874878564 in words is "thirteen trillion, one hundred six billion, eight hundred seventy-four million, eight hundred seventy-eight thousand, five hundred sixty-four".