11886115422 has 16 divisors (see below), whose sum is σ = 23786915472. Its totient is φ = 3959591040.

The previous prime is 11886115391. The next prime is 11886115447. The reversal of 11886115422 is 22451168811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601323 + ... + 620774.

It is an arithmetic number, because the mean of its divisors is an integer number (1486682217).

Almost surely, 2^11886115422 is an apocalyptic number.

11886115422 is an abundant number, since it is smaller than the sum of its proper divisors (11900800050).

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

11886115422 is a wasteful number, since it uses less digits than its factorization.

11886115422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223723.

The product of its digits is 30720, while the sum is 39.

The spelling of 11886115422 in words is "eleven billion, eight hundred eighty-six million, one hundred fifteen thousand, four hundred twenty-two".