11937968365 has 8 divisors (see below), whose sum is σ = 14339765880. Its totient is φ = 9540905472.

The previous prime is 11937968347. The next prime is 11937968417. The reversal of 11937968365 is 56386973911.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 61763881 + 11876204484 = 7859^2 + 108978^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11937968365 - 2²⁵ = 11904413933 is a prime.

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, 1178104 + ... + 1188193.

It is an arithmetic number, because the mean of its divisors is an integer number (1792470735).

Almost surely, 2^11937968365 is an apocalyptic number.

It is an amenable number.

11937968365 is a deficient number, since it is larger than the sum of its proper divisors (2401797515).

11937968365 is a wasteful number, since it uses less digits than its factorization.

11937968365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367311.

The product of its digits is 7348320, while the sum is 58.

The spelling of 11937968365 in words is "eleven billion, nine hundred thirty-seven million, nine hundred sixty-eight thousand, three hundred sixty-five".