18111152022 has 16 divisors (see below), whose sum is σ = 36554620080. Its totient is φ = 5981664672.

The previous prime is 18111151999. The next prime is 18111152023. The reversal of 18111152022 is 22025111181.

It is a junction number, because it is equal to n+sod(n) for n = 18111151983 and 18111152001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18111152023) 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, 13845793 + ... + 13847100.

It is an arithmetic number, because the mean of its divisors is an integer number (2284663755).

Almost surely, 2^18111152022 is an apocalyptic number.

18111152022 is an abundant number, since it is smaller than the sum of its proper divisors (18443468058).

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

18111152022 is a wasteful number, since it uses less digits than its factorization.

18111152022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27693007.

The product of its (nonzero) digits is 320, while the sum is 24.

The spelling of 18111152022 in words is "eighteen billion, one hundred eleven million, one hundred fifty-two thousand, twenty-two".