11125666530 has 96 divisors (see below), whose sum is σ = 32409419328. Its totient is φ = 2624227200.

The previous prime is 11125666529. The next prime is 11125666579. The reversal of 11125666530 is 3566652111.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115236 + ... + 188495.

It is an arithmetic number, because the mean of its divisors is an integer number (337598118).

Almost surely, 2^11125666530 is an apocalyptic number.

11125666530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11125666530 is an abundant number, since it is smaller than the sum of its proper divisors (21283752798).

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

11125666530 is a wasteful number, since it uses less digits than its factorization.

11125666530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303792 (or 303789 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 11125666530 in words is "eleven billion, one hundred twenty-five million, six hundred sixty-six thousand, five hundred thirty".