11157252330 has 32 divisors (see below), whose sum is σ = 30602749824. Its totient is φ = 2550229056.

The previous prime is 11157252313. The next prime is 11157252343. The reversal of 11157252330 is 3325275111.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 26564677 + ... + 26565096.

It is an arithmetic number, because the mean of its divisors is an integer number (956335932).

Almost surely, 2^11157252330 is an apocalyptic number.

11157252330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11157252330 is an abundant number, since it is smaller than the sum of its proper divisors (19445497494).

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

11157252330 is a wasteful number, since it uses less digits than its factorization.

11157252330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53129790.

The product of its (nonzero) digits is 6300, while the sum is 30.

The spelling of 11157252330 in words is "eleven billion, one hundred fifty-seven million, two hundred fifty-two thousand, three hundred thirty".