21350086113115 has 16 divisors (see below), whose sum is σ = 26108491455648. Its totient is φ = 16754600019456.

The previous prime is 21350086113079. The next prime is 21350086113173. The reversal of 21350086113115 is 51131168005312.

It is a cyclic number.

It is not a de Polignac number, because 21350086113115 - 2²⁵ = 21350052558683 is a prime.

It is a Duffinian number.

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, 6311169 + ... + 9084658.

It is an arithmetic number, because the mean of its divisors is an integer number (1631780715978).

Almost surely, 2^{21350086113115} is an apocalyptic number.

21350086113115 is a deficient number, since it is larger than the sum of its proper divisors (4758405342533).

21350086113115 is a wasteful number, since it uses less digits than its factorization.

21350086113115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15401118.

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 21350086113115 in words is "twenty-one trillion, three hundred fifty billion, eighty-six million, one hundred thirteen thousand, one hundred fifteen".