11720637717376 has 32 divisors (see below), whose sum is σ = 26685380519280. Its totient is φ = 5023130449920.

The previous prime is 11720637717361. The next prime is 11720637717391. The reversal of 11720637717376 is 67371773602711.

It is an interprime number because it is at equal distance from previous prime (11720637717361) and next prime (11720637717391).

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 11720637717376.

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, 6540533545 + ... + 6540535336.

Almost surely, 2^{11720637717376} is an apocalyptic number.

11720637717376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11720637717376 is an abundant number, since it is smaller than the sum of its proper divisors (14964742801904).

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

11720637717376 is an equidigital number, since it uses as much as digits as its factorization.

11720637717376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13081068902 (or 13081068890 counting only the distinct ones).

The product of its (nonzero) digits is 10890936, while the sum is 58.

The spelling of 11720637717376 in words is "eleven trillion, seven hundred twenty billion, six hundred thirty-seven million, seven hundred seventeen thousand, three hundred seventy-six".