11116423111554 has 16 divisors (see below), whose sum is σ = 24703162470240. Its totient is φ = 3705474370500.

The previous prime is 11116423111483. The next prime is 11116423111579. The reversal of 11116423111554 is 45511132461111.

11116423111554 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 64 + 2 + 31 + 11 + 554 = 666.

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, 102929843572 + ... + 102929843679.

It is an arithmetic number, because the mean of its divisors is an integer number (1543947654390).

Almost surely, 2^{11116423111554} is an apocalyptic number.

11116423111554 is an abundant number, since it is smaller than the sum of its proper divisors (13586739358686).

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

11116423111554 is a wasteful number, since it uses less digits than its factorization.

11116423111554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205859687262 (or 205859687256 counting only the distinct ones).

The product of its digits is 14400, while the sum is 36.

Adding to 11116423111554 its reverse (45511132461111), we get a palindrome (56627555572665).

The spelling of 11116423111554 in words is "eleven trillion, one hundred sixteen billion, four hundred twenty-three million, one hundred eleven thousand, five hundred fifty-four".