11917045744 has 20 divisors (see below), whose sum is σ = 23092061200. Its totient is φ = 5957804160.

The previous prime is 11917045739. The next prime is 11917045801. The reversal of 11917045744 is 44754071911.

It is a self number, because there is not a number n which added to its sum of digits gives 11917045744.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107557 + ... + 188155.

It is an arithmetic number, because the mean of its divisors is an integer number (1154603060).

Almost surely, 2^11917045744 is an apocalyptic number.

It is an amenable number.

11917045744 is a deficient number, since it is larger than the sum of its proper divisors (11175015456).

11917045744 is an equidigital number, since it uses as much as digits as its factorization.

11917045744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89848 (or 89842 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 11917045744 in words is "eleven billion, nine hundred seventeen million, forty-five thousand, seven hundred forty-four".