11380252828 has 24 divisors (see below), whose sum is σ = 22763728512. Its totient is φ = 4876560624.

The previous prime is 11380252817. The next prime is 11380252841. The reversal of 11380252828 is 82825208311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206151 + ... + 255457.

It is an arithmetic number, because the mean of its divisors is an integer number (948488688).

Almost surely, 2^11380252828 is an apocalyptic number.

It is an amenable number.

11380252828 is an abundant number, since it is smaller than the sum of its proper divisors (11383475684).

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

11380252828 is a wasteful number, since it uses less digits than its factorization.

11380252828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57561 (or 57559 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The spelling of 11380252828 in words is "eleven billion, three hundred eighty million, two hundred fifty-two thousand, eight hundred twenty-eight".