11922790986 has 24 divisors (see below), whose sum is σ = 25987407264. Its totient is φ = 3950464680.

The previous prime is 11922790981. The next prime is 11922790993. The reversal of 11922790986 is 68909722911.

11922790986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11922790981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1980160 + ... + 1986171.

It is an arithmetic number, because the mean of its divisors is an integer number (1082808636).

Almost surely, 2^11922790986 is an apocalyptic number.

11922790986 is an abundant number, since it is smaller than the sum of its proper divisors (14064616278).

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

11922790986 is a wasteful number, since it uses less digits than its factorization.

11922790986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3966506 (or 3966503 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 54.

The spelling of 11922790986 in words is "eleven billion, nine hundred twenty-two million, seven hundred ninety thousand, nine hundred eighty-six".