118515565368 has 56 divisors (see below), whose sum is σ = 333172632000. Its totient is φ = 39505186512.

The previous prime is 118515565361. The next prime is 118515565417. The reversal of 118515565368 is 863565515811.

118515565368 is a `hidden beast` number, since 1 + 1 + 8 + 5 + 15 + 565 + 3 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118515565361) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 10154968 + ... + 10166631.

Almost surely, 2^118515565368 is an apocalyptic number.

118515565368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

118515565368 is an abundant number, since it is smaller than the sum of its proper divisors (214657066632).

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

118515565368 is an equidigital number, since it uses as much as digits as its factorization.

118515565368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20321623 (or 20321604 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 54.

The spelling of 118515565368 in words is "one hundred eighteen billion, five hundred fifteen million, five hundred sixty-five thousand, three hundred sixty-eight".