11757967720 has 32 divisors (see below), whose sum is σ = 28011630600. Its totient is φ = 4426528768.

The previous prime is 11757967699. The next prime is 11757967757. The reversal of 11757967720 is 2776975711.

11757967720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8426138436 + 3331829284 = 91794^2 + 57722^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8644885 + ... + 8646244.

Almost surely, 2^11757967720 is an apocalyptic number.

11757967720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11757967720 is an abundant number, since it is smaller than the sum of its proper divisors (16253662880).

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

11757967720 is a wasteful number, since it uses less digits than its factorization.

11757967720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17291157 (or 17291153 counting only the distinct ones).

The product of its (nonzero) digits is 1296540, while the sum is 52.

The spelling of 11757967720 in words is "eleven billion, seven hundred fifty-seven million, nine hundred sixty-seven thousand, seven hundred twenty".