18055178003874 has 16 divisors (see below), whose sum is σ = 39393115644960. Its totient is φ = 5471266061760.

The previous prime is 18055178003843. The next prime is 18055178003911. The reversal of 18055178003874 is 47830087155081.

It is a happy 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, 136781651479 + ... + 136781651610.

It is an arithmetic number, because the mean of its divisors is an integer number (2462069727810).

Almost surely, 2^{18055178003874} is an apocalyptic number.

18055178003874 is an abundant number, since it is smaller than the sum of its proper divisors (21337937641086).

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

18055178003874 is a wasteful number, since it uses less digits than its factorization.

18055178003874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273563303105.

The product of its (nonzero) digits is 7526400, while the sum is 57.

The spelling of 18055178003874 in words is "eighteen trillion, fifty-five billion, one hundred seventy-eight million, three thousand, eight hundred seventy-four".