11662771877824 has 56 divisors (see below), whose sum is σ = 23986870878080. Its totient is φ = 5621727753216.

The previous prime is 11662771877797. The next prime is 11662771877833. The reversal of 11662771877824 is 42877817726611.

It is a self number, because there is not a number n which added to its sum of digits gives 11662771877824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22334352 + ... + 22850575.

Almost surely, 2^{11662771877824} is an apocalyptic number.

It is an amenable number.

11662771877824 is an abundant number, since it is smaller than the sum of its proper divisors (12324099000256).

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

11662771877824 is a wasteful number, since it uses less digits than its factorization.

11662771877824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45185085 (or 45185075 counting only the distinct ones).

The product of its digits is 88510464, while the sum is 67.

The spelling of 11662771877824 in words is "eleven trillion, six hundred sixty-two billion, seven hundred seventy-one million, eight hundred seventy-seven thousand, eight hundred twenty-four".