11122012158 has 64 divisors (see below), whose sum is σ = 23774653440. Its totient is φ = 3460773888.

The previous prime is 11122012157. The next prime is 11122012177. The reversal of 11122012158 is 85121022111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122012157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1407663 + ... + 1415541.

It is an arithmetic number, because the mean of its divisors is an integer number (371478960).

Almost surely, 2^11122012158 is an apocalyptic number.

11122012158 is an abundant number, since it is smaller than the sum of its proper divisors (12652641282).

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

11122012158 is a wasteful number, since it uses less digits than its factorization.

11122012158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8153.

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

Adding to 11122012158 its reverse (85121022111), we get a palindrome (96243034269).

The spelling of 11122012158 in words is "eleven billion, one hundred twenty-two million, twelve thousand, one hundred fifty-eight".