11159941986 has 24 divisors (see below), whose sum is σ = 24204510720. Its totient is φ = 3716190456.

The previous prime is 11159941967. The next prime is 11159942029. The reversal of 11159941986 is 68914995111.

11159941986 is a `hidden beast` number, since 1 + 1 + 1 + 599 + 41 + 9 + 8 + 6 = 666.

11159941986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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, 297666 + ... + 333053.

It is an arithmetic number, because the mean of its divisors is an integer number (1008521280).

Almost surely, 2^11159941986 is an apocalyptic number.

11159941986 is an abundant number, since it is smaller than the sum of its proper divisors (13044568734).

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

11159941986 is a wasteful number, since it uses less digits than its factorization.

11159941986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631710 (or 631707 counting only the distinct ones).

The product of its digits is 699840, while the sum is 54.

The spelling of 11159941986 in words is "eleven billion, one hundred fifty-nine million, nine hundred forty-one thousand, nine hundred eighty-six".