11111231032 has 16 divisors (see below), whose sum is σ = 22727518200. Its totient is φ = 5050559520.

The previous prime is 11111231029. The next prime is 11111231039. The reversal of 11111231032 is 23013211111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11111230997 and 11111231015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111231039) 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, 63131907 + ... + 63132082.

Almost surely, 2^11111231032 is an apocalyptic number.

It is an amenable number.

11111231032 is an abundant number, since it is smaller than the sum of its proper divisors (11616287168).

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

11111231032 is a wasteful number, since it uses less digits than its factorization.

11111231032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126264006 (or 126264002 counting only the distinct ones).

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

Adding to 11111231032 its reverse (23013211111), we get a palindrome (34124442143).

The spelling of 11111231032 in words is "eleven billion, one hundred eleven million, two hundred thirty-one thousand, thirty-two".