11311112032 has 24 divisors (see below), whose sum is σ = 24293184552. Its totient is φ = 5141414400.

The previous prime is 11311111969. The next prime is 11311112039. The reversal of 11311112032 is 23021111311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 11311111997 and 11311112015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311112039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16066569 + ... + 16067272.

It is an arithmetic number, because the mean of its divisors is an integer number (1012216023).

Almost surely, 2^11311112032 is an apocalyptic number.

It is an amenable number.

11311112032 is an abundant number, since it is smaller than the sum of its proper divisors (12982072520).

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

11311112032 is a wasteful number, since it uses less digits than its factorization.

11311112032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32133862 (or 32133854 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11311112032 its reverse (23021111311), we get a palindrome (34332223343).

The spelling of 11311112032 in words is "eleven billion, three hundred eleven million, one hundred twelve thousand, thirty-two".