28090912113 has 24 divisors (see below), whose sum is σ = 44279498016. Its totient is φ = 17019014400.

The previous prime is 28090912097. The next prime is 28090912133. The reversal of 28090912113 is 31121909082.

It is not a de Polignac number, because 28090912113 - 2⁴ = 28090912097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28090912133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254406 + ... + 347712.

It is an arithmetic number, because the mean of its divisors is an integer number (1844979084).

Almost surely, 2^28090912113 is an apocalyptic number.

It is an amenable number.

28090912113 is a deficient number, since it is larger than the sum of its proper divisors (16188585903).

28090912113 is a wasteful number, since it uses less digits than its factorization.

28090912113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96365 (or 96362 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The spelling of 28090912113 in words is "twenty-eight billion, ninety million, nine hundred twelve thousand, one hundred thirteen".