18854112511274 has 16 divisors (see below), whose sum is σ = 28971157251456. Its totient is φ = 9197063330400.

The previous prime is 18854112511189. The next prime is 18854112511319. The reversal of 18854112511274 is 47211521145881.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12177359 + ... + 13638045.

It is an arithmetic number, because the mean of its divisors is an integer number (1810697328216).

Almost surely, 2^{18854112511274} is an apocalyptic number.

18854112511274 is a deficient number, since it is larger than the sum of its proper divisors (10117044740182).

18854112511274 is a wasteful number, since it uses less digits than its factorization.

18854112511274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618141.

The product of its digits is 716800, while the sum is 50.

The spelling of 18854112511274 in words is "eighteen trillion, eight hundred fifty-four billion, one hundred twelve million, five hundred eleven thousand, two hundred seventy-four".