20131713511 has 16 divisors (see below), whose sum is σ = 26081574400. Its totient is φ = 15090051168.

The previous prime is 20131713509. The next prime is 20131713527. The reversal of 20131713511 is 11531713102.

It is a cyclic number.

It is not a de Polignac number, because 20131713511 - 2¹ = 20131713509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20131711511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5820051 + ... + 5823508.

It is an arithmetic number, because the mean of its divisors is an integer number (1630098400).

Almost surely, 2^20131713511 is an apocalyptic number.

20131713511 is a deficient number, since it is larger than the sum of its proper divisors (5949860889).

20131713511 is a wasteful number, since it uses less digits than its factorization.

20131713511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11643598.

The product of its (nonzero) digits is 630, while the sum is 25.

The spelling of 20131713511 in words is "twenty billion, one hundred thirty-one million, seven hundred thirteen thousand, five hundred eleven".