39992508115 has 12 divisors (see below), whose sum is σ = 55826276976. Its totient is φ = 27423433968.

The previous prime is 39992508103. The next prime is 39992508119. The reversal of 39992508115 is 51180529993.

It is not a de Polignac number, because 39992508115 - 2¹¹ = 39992506067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39992508119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81617119 + ... + 81617608.

It is an arithmetic number, because the mean of its divisors is an integer number (4652189748).

Almost surely, 2^39992508115 is an apocalyptic number.

39992508115 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

39992508115 is a deficient number, since it is larger than the sum of its proper divisors (15833768861).

39992508115 is a wasteful number, since it uses less digits than its factorization.

39992508115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163234746 (or 163234739 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 52.

The spelling of 39992508115 in words is "thirty-nine billion, nine hundred ninety-two million, five hundred eight thousand, one hundred fifteen".