12617045386564 has 12 divisors (see below), whose sum is σ = 22226053463488. Its totient is φ = 6266744397000.

The previous prime is 12617045386553. The next prime is 12617045386607. The reversal of 12617045386564 is 46568354071621.

It is a junction number, because it is equal to n+sod(n) for n = 12617045386499 and 12617045386508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10444573392 + ... + 10444574599.

Almost surely, 2^{12617045386564} is an apocalyptic number.

It is an amenable number.

12617045386564 is a deficient number, since it is larger than the sum of its proper divisors (9609008076924).

12617045386564 is a wasteful number, since it uses less digits than its factorization.

12617045386564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20889148146 (or 20889148144 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 58.

The spelling of 12617045386564 in words is "twelve trillion, six hundred seventeen billion, forty-five million, three hundred eighty-six thousand, five hundred sixty-four".