118515224965 has 4 divisors (see below), whose sum is σ = 142218269964. Its totient is φ = 94812179968.

The previous prime is 118515224953. The next prime is 118515225007. The reversal of 118515224965 is 569422515811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64271883361 + 54243341604 = 253519^2 + 232902^2 .

It is a cyclic number.

It is not a de Polignac number, because 118515224965 - 2⁷ = 118515224837 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 11851522492 + ... + 11851522501.

It is an arithmetic number, because the mean of its divisors is an integer number (35554567491).

Almost surely, 2^118515224965 is an apocalyptic number.

It is an amenable number.

118515224965 is a deficient number, since it is larger than the sum of its proper divisors (23703044999).

118515224965 is an equidigital number, since it uses as much as digits as its factorization.

118515224965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23703044998.

The product of its digits is 864000, while the sum is 49.

The spelling of 118515224965 in words is "one hundred eighteen billion, five hundred fifteen million, two hundred twenty-four thousand, nine hundred sixty-five".