11719234868 has 12 divisors (see below), whose sum is σ = 22373084832. Its totient is φ = 5326924920.

The previous prime is 11719234861. The next prime is 11719234897. The reversal of 11719234868 is 86843291711.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11719234861) 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, 133173080 + ... + 133173167.

It is an arithmetic number, because the mean of its divisors is an integer number (1864423736).

Almost surely, 2^11719234868 is an apocalyptic number.

It is an amenable number.

11719234868 is a deficient number, since it is larger than the sum of its proper divisors (10653849964).

11719234868 is a wasteful number, since it uses less digits than its factorization.

11719234868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266346262 (or 266346260 counting only the distinct ones).

The product of its digits is 580608, while the sum is 50.

The spelling of 11719234868 in words is "eleven billion, seven hundred nineteen million, two hundred thirty-four thousand, eight hundred sixty-eight".