39874320111 has 4 divisors (see below), whose sum is σ = 53165760152. Its totient is φ = 26582880072.

The previous prime is 39874320041. The next prime is 39874320133. The reversal of 39874320111 is 11102347893.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 39874320111 - 2¹⁸ = 39874057967 is a prime.

It is a super-2 number, since 2×39874320111² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39874320111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39874320511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6645720016 + ... + 6645720021.

It is an arithmetic number, because the mean of its divisors is an integer number (13291440038).

Almost surely, 2^39874320111 is an apocalyptic number.

39874320111 is a deficient number, since it is larger than the sum of its proper divisors (13291440041).

39874320111 is a wasteful number, since it uses less digits than its factorization.

39874320111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13291440040.

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 39874320111 in words is "thirty-nine billion, eight hundred seventy-four million, three hundred twenty thousand, one hundred eleven".