18142457611915 has 32 divisors (see below), whose sum is σ = 26907127511040. Its totient is φ = 11435529055104.

The previous prime is 18142457611907. The next prime is 18142457611939. The reversal of 18142457611915 is 51911675424181.

It is not a de Polignac number, because 18142457611915 - 2³ = 18142457611907 is a prime.

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, 83308689 + ... + 83526178.

It is an arithmetic number, because the mean of its divisors is an integer number (840847734720).

Almost surely, 2^{18142457611915} is an apocalyptic number.

18142457611915 is a deficient number, since it is larger than the sum of its proper divisors (8764669899125).

18142457611915 is a wasteful number, since it uses less digits than its factorization.

18142457611915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166835131.

The product of its digits is 2419200, while the sum is 55.

The spelling of 18142457611915 in words is "eighteen trillion, one hundred forty-two billion, four hundred fifty-seven million, six hundred eleven thousand, nine hundred fifteen".