12617457370554 has 32 divisors (see below), whose sum is σ = 25622535113280. Its totient is φ = 4141269551232.

The previous prime is 12617457370543. The next prime is 12617457370613. The reversal of 12617457370554 is 45507375471621.

It is a junction number, because it is equal to n+sod(n) for n = 12617457370494 and 12617457370503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5788819 + ... + 7664550.

It is an arithmetic number, because the mean of its divisors is an integer number (800704222290).

Almost surely, 2^{12617457370554} is an apocalyptic number.

12617457370554 is an abundant number, since it is smaller than the sum of its proper divisors (13005077742726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12617457370554 is a wasteful number, since it uses less digits than its factorization.

12617457370554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13455774.

The product of its (nonzero) digits is 24696000, while the sum is 57.

The spelling of 12617457370554 in words is "twelve trillion, six hundred seventeen billion, four hundred fifty-seven million, three hundred seventy thousand, five hundred fifty-four".