39900111811 has 32 divisors (see below), whose sum is σ = 48308502528. Its totient is φ = 32231394720.

The previous prime is 39900111799. The next prime is 39900111829. The reversal of 39900111811 is 11811100993.

39900111811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39900111811 - 2¹⁷ = 39899980739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39900111841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3231696 + ... + 3244018.

It is an arithmetic number, because the mean of its divisors is an integer number (1509640704).

Almost surely, 2^39900111811 is an apocalyptic number.

39900111811 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

39900111811 is a deficient number, since it is larger than the sum of its proper divisors (8408390717).

39900111811 is a wasteful number, since it uses less digits than its factorization.

39900111811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12751.

The product of its (nonzero) digits is 1944, while the sum is 34.

The spelling of 39900111811 in words is "thirty-nine billion, nine hundred million, one hundred eleven thousand, eight hundred eleven".