11155498656 has 24 divisors (see below), whose sum is σ = 29283184224. Its totient is φ = 3718499520.

The previous prime is 11155498639. The next prime is 11155498667. The reversal of 11155498656 is 65689455111.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 11155498599 and 11155498608.

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, 58101460 + ... + 58101651.

It is an arithmetic number, because the mean of its divisors is an integer number (1220132676).

Almost surely, 2^11155498656 is an apocalyptic number.

11155498656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11155498656 is an abundant number, since it is smaller than the sum of its proper divisors (18127685568).

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

11155498656 is a wasteful number, since it uses less digits than its factorization.

11155498656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116203124 (or 116203116 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 51.

The spelling of 11155498656 in words is "eleven billion, one hundred fifty-five million, four hundred ninety-eight thousand, six hundred fifty-six".