11910867822 has 24 divisors (see below), whose sum is σ = 29493577776. Its totient is φ = 3403105056.

The previous prime is 11910867821. The next prime is 11910867919. The reversal of 11910867822 is 22876801911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11910867821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47265223 + ... + 47265474.

It is an arithmetic number, because the mean of its divisors is an integer number (1228899074).

Almost surely, 2^11910867822 is an apocalyptic number.

11910867822 is an abundant number, since it is smaller than the sum of its proper divisors (17582709954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11910867822 is a wasteful number, since it uses less digits than its factorization.

11910867822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94530712 (or 94530709 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The spelling of 11910867822 in words is "eleven billion, nine hundred ten million, eight hundred sixty-seven thousand, eight hundred twenty-two".