118115517 has 8 divisors (see below), whose sum is σ = 169601824. Its totient is φ = 72686448.

The previous prime is 118115497. The next prime is 118115527. The reversal of 118115517 is 715511811.

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

It is not a de Polignac number, because 118115517 - 2¹² = 118111421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118115527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1514263 + ... + 1514340.

It is an arithmetic number, because the mean of its divisors is an integer number (21200228).

Almost surely, 2^118115517 is an apocalyptic number.

It is an amenable number.

118115517 is a deficient number, since it is larger than the sum of its proper divisors (51486307).

118115517 is a wasteful number, since it uses less digits than its factorization.

118115517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028619.

The product of its digits is 1400, while the sum is 30.

The square root of 118115517 is about 10868.0962914395. The cubic root of 118115517 is about 490.6468162206.

The spelling of 118115517 in words is "one hundred eighteen million, one hundred fifteen thousand, five hundred seventeen".