20315113065535 has 16 divisors (see below), whose sum is σ = 24397541290080. Its totient is φ = 16239156572160.

The previous prime is 20315113065479. The next prime is 20315113065581. The reversal of 20315113065535 is 53556031151302.

It is not a de Polignac number, because 20315113065535 - 2⁷ = 20315113065407 is a prime.

It is a congruent 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, 51760111 + ... + 52151119.

It is an arithmetic number, because the mean of its divisors is an integer number (1524846330630).

Almost surely, 2^{20315113065535} is an apocalyptic number.

20315113065535 is a deficient number, since it is larger than the sum of its proper divisors (4082428224545).

20315113065535 is a wasteful number, since it uses less digits than its factorization.

20315113065535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399258.

The product of its (nonzero) digits is 202500, while the sum is 40.

The spelling of 20315113065535 in words is "twenty trillion, three hundred fifteen billion, one hundred thirteen million, sixty-five thousand, five hundred thirty-five".