11115789580 has 48 divisors (see below), whose sum is σ = 26683949376. Its totient is φ = 3810263040.

The previous prime is 11115789539. The next prime is 11115789613. The reversal of 11115789580 is 8598751111.

11115789580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11115789580.

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 15 ways as a sum of consecutive naturals, for example, 1070172 + ... + 1080508.

It is an arithmetic number, because the mean of its divisors is an integer number (555915612).

Almost surely, 2^11115789580 is an apocalyptic number.

11115789580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11115789580 is an abundant number, since it is smaller than the sum of its proper divisors (15568159796).

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

11115789580 is a wasteful number, since it uses less digits than its factorization.

11115789580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18034 (or 18032 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 46.

The spelling of 11115789580 in words is "eleven billion, one hundred fifteen million, seven hundred eighty-nine thousand, five hundred eighty".