11977113599 has 8 divisors (see below), whose sum is σ = 13067374800. Its totient is φ = 10887091200.

The previous prime is 11977113557. The next prime is 11977113667. The reversal of 11977113599 is 99531177911.

It is a happy number.

It is a Cunningham number, because it is equal to 109440²-1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11977113599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11977113599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11977113199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54719 + ... + 164159.

It is an arithmetic number, because the mean of its divisors is an integer number (1633421850).

Almost surely, 2^11977113599 is an apocalyptic number.

11977113599 is a deficient number, since it is larger than the sum of its proper divisors (1090261201).

11977113599 is a wasteful number, since it uses less digits than its factorization.

11977113599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119401.

The product of its digits is 535815, while the sum is 53.

The spelling of 11977113599 in words is "eleven billion, nine hundred seventy-seven million, one hundred thirteen thousand, five hundred ninety-nine".