20315650456115 has 32 divisors (see below), whose sum is σ = 28491652952064. Its totient is φ = 13616416016640.

The previous prime is 20315650456109. The next prime is 20315650456133. The reversal of 20315650456115 is 51165405651302.

It is not a de Polignac number, because 20315650456115 - 2⁶ = 20315650456051 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6862439 + ... + 9366128.

It is an arithmetic number, because the mean of its divisors is an integer number (890364154752).

Almost surely, 2^{20315650456115} is an apocalyptic number.

20315650456115 is a deficient number, since it is larger than the sum of its proper divisors (8176002495949).

20315650456115 is a wasteful number, since it uses less digits than its factorization.

20315650456115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16229387.

The product of its (nonzero) digits is 540000, while the sum is 44.

The spelling of 20315650456115 in words is "twenty trillion, three hundred fifteen billion, six hundred fifty million, four hundred fifty-six thousand, one hundred fifteen".