920112911 has 4 divisors (see below), whose sum is σ = 920259672. Its totient is φ = 919966152.

The previous prime is 920112901. The next prime is 920112971. The reversal of 920112911 is 119211029.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-920112911 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 (920112901) 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, 63536 + ... + 76661.

It is an arithmetic number, because the mean of its divisors is an integer number (230064918).

Almost surely, 2^920112911 is an apocalyptic number.

920112911 is a deficient number, since it is larger than the sum of its proper divisors (146761).

920112911 is a wasteful number, since it uses less digits than its factorization.

920112911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146760.

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 920112911 is about 30333.3630018170. The cubic root of 920112911 is about 972.6286129887.

The spelling of 920112911 in words is "nine hundred twenty million, one hundred twelve thousand, nine hundred eleven".