11231555432 has 16 divisors (see below), whose sum is σ = 21076925760. Its totient is φ = 5611041904.

The previous prime is 11231555429. The next prime is 11231555449. The reversal of 11231555432 is 23455513211.

It is a super-2 number, since 2×11231555432² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581888 + ... + 600879.

It is an arithmetic number, because the mean of its divisors is an integer number (1317307860).

Almost surely, 2^11231555432 is an apocalyptic number.

It is an amenable number.

11231555432 is a deficient number, since it is larger than the sum of its proper divisors (9845370328).

11231555432 is a wasteful number, since it uses less digits than its factorization.

11231555432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183960 (or 1183956 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The spelling of 11231555432 in words is "eleven billion, two hundred thirty-one million, five hundred fifty-five thousand, four hundred thirty-two".