11351231432 has 32 divisors (see below), whose sum is σ = 22542001920. Its totient is φ = 5340222720.

The previous prime is 11351231431. The next prime is 11351231453. The reversal of 11351231432 is 23413215311.

It is not an unprimeable number, because it can be changed into a prime (11351231431) 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, 565553 + ... + 585279.

It is an arithmetic number, because the mean of its divisors is an integer number (704437560).

Almost surely, 2^11351231432 is an apocalyptic number.

It is an amenable number.

11351231432 is a deficient number, since it is larger than the sum of its proper divisors (11190770488).

11351231432 is a wasteful number, since it uses less digits than its factorization.

11351231432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23981 (or 23977 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

Adding to 11351231432 its reverse (23413215311), we get a palindrome (34764446743).

The spelling of 11351231432 in words is "eleven billion, three hundred fifty-one million, two hundred thirty-one thousand, four hundred thirty-two".