28112635265 has 64 divisors (see below), whose sum is σ = 40260084480. Its totient is φ = 18576552960.

The previous prime is 28112635249. The next prime is 28112635301. The reversal of 28112635265 is 56253621182.

It is not a de Polignac number, because 28112635265 - 2⁴ = 28112635249 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12702299 + ... + 12704511.

It is an arithmetic number, because the mean of its divisors is an integer number (629063820).

Almost surely, 2^28112635265 is an apocalyptic number.

It is an amenable number.

28112635265 is a deficient number, since it is larger than the sum of its proper divisors (12147449215).

28112635265 is a wasteful number, since it uses less digits than its factorization.

28112635265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514.

The product of its digits is 172800, while the sum is 41.

The spelling of 28112635265 in words is "twenty-eight billion, one hundred twelve million, six hundred thirty-five thousand, two hundred sixty-five".