18755242122 has 16 divisors (see below), whose sum is σ = 37842436800. Its totient is φ = 6196421952.

The previous prime is 18755242109. The next prime is 18755242127. The reversal of 18755242122 is 22124255781.

It is not an unprimeable number, because it can be changed into a prime (18755242127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13830622 + ... + 13831977.

It is an arithmetic number, because the mean of its divisors is an integer number (2365152300).

Almost surely, 2^18755242122 is an apocalyptic number.

18755242122 is an abundant number, since it is smaller than the sum of its proper divisors (19087194678).

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

18755242122 is a wasteful number, since it uses less digits than its factorization.

18755242122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27662717.

The product of its digits is 89600, while the sum is 39.

The spelling of 18755242122 in words is "eighteen billion, seven hundred fifty-five million, two hundred forty-two thousand, one hundred twenty-two".