11172789451122 has 16 divisors (see below), whose sum is σ = 24064469587200. Its totient is φ = 3437781369552.

The previous prime is 11172789451111. The next prime is 11172789451141. The reversal of 11172789451122 is 22115498727111.

It is a happy number.

11172789451122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 71620445122 + ... + 71620445277.

It is an arithmetic number, because the mean of its divisors is an integer number (1504029349200).

Almost surely, 2^{11172789451122} is an apocalyptic number.

11172789451122 is an abundant number, since it is smaller than the sum of its proper divisors (12891680136078).

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

11172789451122 is a wasteful number, since it uses less digits than its factorization.

11172789451122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143240890417.

The product of its digits is 564480, while the sum is 51.

The spelling of 11172789451122 in words is "eleven trillion, one hundred seventy-two billion, seven hundred eighty-nine million, four hundred fifty-one thousand, one hundred twenty-two".