11154534530 has 32 divisors (see below), whose sum is σ = 21576554496. Its totient is φ = 4136673024.

The previous prime is 11154534529. The next prime is 11154534569. The reversal of 11154534530 is 3543545111.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478274 + ... + 501053.

It is an arithmetic number, because the mean of its divisors is an integer number (674267328).

Almost surely, 2^11154534530 is an apocalyptic number.

11154534530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11154534530 is a deficient number, since it is larger than the sum of its proper divisors (10422019966).

11154534530 is a wasteful number, since it uses less digits than its factorization.

11154534530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979418.

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

The spelling of 11154534530 in words is "eleven billion, one hundred fifty-four million, five hundred thirty-four thousand, five hundred thirty".