118517801 has 16 divisors (see below), whose sum is σ = 127431360. Its totient is φ = 109900800.

The previous prime is 118517783. The next prime is 118517813. The reversal of 118517801 is 108715811.

It is a cyclic number.

It is not a de Polignac number, because 118517801 - 2²⁶ = 51408937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118517831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196901 + ... + 197501.

It is an arithmetic number, because the mean of its divisors is an integer number (7964460).

Almost surely, 2^118517801 is an apocalyptic number.

It is an amenable number.

118517801 is a deficient number, since it is larger than the sum of its proper divisors (8913559).

118517801 is a wasteful number, since it uses less digits than its factorization.

118517801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824.

The product of its (nonzero) digits is 2240, while the sum is 32.

The square root of 118517801 is about 10886.5881248443. The cubic root of 118517801 is about 491.2032085564.

The spelling of 118517801 in words is "one hundred eighteen million, five hundred seventeen thousand, eight hundred one".