39911121207 has 6 divisors (see below), whose sum is σ = 57649397312. Its totient is φ = 26607414132.

The previous prime is 39911121181. The next prime is 39911121209. The reversal of 39911121207 is 70212111993.

39911121207 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 39911121207 - 2⁶ = 39911121143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39911121209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2217284503 + ... + 2217284520.

Almost surely, 2^39911121207 is an apocalyptic number.

39911121207 is a deficient number, since it is larger than the sum of its proper divisors (17738276105).

39911121207 is a wasteful number, since it uses less digits than its factorization.

39911121207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4434569029 (or 4434569026 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 36.

The spelling of 39911121207 in words is "thirty-nine billion, nine hundred eleven million, one hundred twenty-one thousand, two hundred seven".