11715866622 has 32 divisors (see below), whose sum is σ = 26044903200. Its totient is φ = 3903842304.

The previous prime is 11715866599. The next prime is 11715866623. The reversal of 11715866622 is 22666851711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11715866623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112254 + ... + 189822.

It is an arithmetic number, because the mean of its divisors is an integer number (813903225).

Almost surely, 2^11715866622 is an apocalyptic number.

11715866622 is an abundant number, since it is smaller than the sum of its proper divisors (14329036578).

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

11715866622 is a wasteful number, since it uses less digits than its factorization.

11715866622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80377 (or 80371 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The spelling of 11715866622 in words is "eleven billion, seven hundred fifteen million, eight hundred sixty-six thousand, six hundred twenty-two".