3911904920111 has 4 divisors (see below), whose sum is σ = 4017632080152. Its totient is φ = 3806177760072.

The previous prime is 3911904920087. The next prime is 3911904920129. The reversal of 3911904920111 is 1110294091193.

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

It is a cyclic number.

It is not a de Polignac number, because 3911904920111 - 2²⁶ = 3911837811247 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 (3911904920171) 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, 52863579965 + ... + 52863580038.

It is an arithmetic number, because the mean of its divisors is an integer number (1004408020038).

Almost surely, 2^{3911904920111} is an apocalyptic number.

3911904920111 is a deficient number, since it is larger than the sum of its proper divisors (105727160041).

3911904920111 is a wasteful number, since it uses less digits than its factorization.

3911904920111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105727160040.

The product of its (nonzero) digits is 17496, while the sum is 41.

The spelling of 3911904920111 in words is "three trillion, nine hundred eleven billion, nine hundred four million, nine hundred twenty thousand, one hundred eleven".