11161144232 has 32 divisors (see below), whose sum is σ = 25323606720. Its totient is φ = 4501973760.

The previous prime is 11161144229. The next prime is 11161144237. The reversal of 11161144232 is 23244116111.

It is a super-2 number, since 2×11161144232² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11161144237) 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, 5860994 + ... + 5862897.

It is an arithmetic number, because the mean of its divisors is an integer number (791362710).

Almost surely, 2^11161144232 is an apocalyptic number.

It is an amenable number.

11161144232 is an abundant number, since it is smaller than the sum of its proper divisors (14162462488).

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

11161144232 is a wasteful number, since it uses less digits than its factorization.

11161144232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11723921 (or 11723917 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The spelling of 11161144232 in words is "eleven billion, one hundred sixty-one million, one hundred forty-four thousand, two hundred thirty-two".