11099233079172 has 96 divisors (see below), whose sum is σ = 32981391421440. Its totient is φ = 3162070444320.

The previous prime is 11099233079161. The next prime is 11099233079237. The reversal of 11099233079172 is 27197033299011.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 20892604 + ... + 21417267.

It is an arithmetic number, because the mean of its divisors is an integer number (343556160640).

Almost surely, 2^{11099233079172} is an apocalyptic number.

11099233079172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11099233079172 is an abundant number, since it is smaller than the sum of its proper divisors (21882158342268).

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

11099233079172 is a wasteful number, since it uses less digits than its factorization.

11099233079172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42310238 (or 42310230 counting only the distinct ones).

The product of its (nonzero) digits is 1285956, while the sum is 54.

The spelling of 11099233079172 in words is "eleven trillion, ninety-nine billion, two hundred thirty-three million, seventy-nine thousand, one hundred seventy-two".