118865562365 has 16 divisors (see below), whose sum is σ = 156155691456. Its totient is φ = 86142201600.

The previous prime is 118865562323. The next prime is 118865562371. The reversal of 118865562365 is 563265568811.

It is a happy number.

It is not a de Polignac number, because 118865562365 - 2¹⁶ = 118865496829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 118865562365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3802796 + ... + 3833925.

It is an arithmetic number, because the mean of its divisors is an integer number (9759730716).

Almost surely, 2^118865562365 is an apocalyptic number.

It is an amenable number.

118865562365 is a deficient number, since it is larger than the sum of its proper divisors (37290129091).

118865562365 is a wasteful number, since it uses less digits than its factorization.

118865562365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7637020.

The product of its digits is 10368000, while the sum is 56.

The spelling of 118865562365 in words is "one hundred eighteen billion, eight hundred sixty-five million, five hundred sixty-two thousand, three hundred sixty-five".