11975058828 has 36 divisors (see below), whose sum is σ = 30274692448. Its totient is φ = 3991105440.

The previous prime is 11975058803. The next prime is 11975058877. The reversal of 11975058828 is 82885057911.

11975058828 is a `hidden beast` number, since 1 + 1 + 9 + 7 + 50 + 588 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 278493 + ... + 318603.

Almost surely, 2^11975058828 is an apocalyptic number.

11975058828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11975058828 is an abundant number, since it is smaller than the sum of its proper divisors (18299633620).

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

11975058828 is a wasteful number, since it uses less digits than its factorization.

11975058828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48414 (or 48409 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 54.

The spelling of 11975058828 in words is "eleven billion, nine hundred seventy-five million, fifty-eight thousand, eight hundred twenty-eight".