11231000998 has 24 divisors (see below), whose sum is σ = 19624712400. Its totient is φ = 4806467568.

The previous prime is 11231000983. The next prime is 11231001007. The reversal of 11231000998 is 89900013211.

It is a super-2 number, since 2×11231000998² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11338 + ... + 150301.

It is an arithmetic number, because the mean of its divisors is an integer number (817696350).

Almost surely, 2^11231000998 is an apocalyptic number.

11231000998 is a deficient number, since it is larger than the sum of its proper divisors (8393711402).

11231000998 is a wasteful number, since it uses less digits than its factorization.

11231000998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162364 (or 162357 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 34.

The spelling of 11231000998 in words is "eleven billion, two hundred thirty-one million, nine hundred ninety-eight", and thus it is an aban number.