11166929980 has 24 divisors (see below), whose sum is σ = 23475200112. Its totient is φ = 4462077312.

The previous prime is 11166929971. The next prime is 11166929987. The reversal of 11166929980 is 8992966111.

It is a happy number.

11166929980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11166929987) 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 7 ways as a sum of consecutive naturals, for example, 273882 + ... + 312001.

It is an arithmetic number, because the mean of its divisors is an integer number (978133338).

Almost surely, 2^11166929980 is an apocalyptic number.

11166929980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11166929980 is an abundant number, since it is smaller than the sum of its proper divisors (12308270132).

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

11166929980 is a wasteful number, since it uses less digits than its factorization.

11166929980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586845 (or 586843 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 52.

The spelling of 11166929980 in words is "eleven billion, one hundred sixty-six million, nine hundred twenty-nine thousand, nine hundred eighty".