11771580960 has 144 divisors (see below), whose sum is σ = 41658454656. Its totient is φ = 3139077888.

The previous prime is 11771580959. The next prime is 11771580973. The reversal of 11771580960 is 6908517711.

11771580960 is a `hidden beast` number, since 1 + 1 + 7 + 7 + 1 + 580 + 9 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112504 + ... + 190263.

It is an arithmetic number, because the mean of its divisors is an integer number (289294824).

Almost surely, 2^11771580960 is an apocalyptic number.

11771580960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11771580960 is an abundant number, since it is smaller than the sum of its proper divisors (29886873696).

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

11771580960 is an equidigital number, since it uses as much as digits as its factorization.

11771580960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302797 (or 302777 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 45.

The spelling of 11771580960 in words is "eleven billion, seven hundred seventy-one million, five hundred eighty thousand, nine hundred sixty".