118517225785 has 8 divisors (see below), whose sum is σ = 162537909696. Its totient is φ = 81268954800.

The previous prime is 118517225777. The next prime is 118517225797. The reversal of 118517225785 is 587522715811.

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

It is not a de Polignac number, because 118517225785 - 2³ = 118517225777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1693103191 + ... + 1693103260.

It is an arithmetic number, because the mean of its divisors is an integer number (20317238712).

Almost surely, 2^118517225785 is an apocalyptic number.

It is an amenable number.

118517225785 is a deficient number, since it is larger than the sum of its proper divisors (44020683911).

118517225785 is an equidigital number, since it uses as much as digits as its factorization.

118517225785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3386206463.

The product of its digits is 1568000, while the sum is 52.

The spelling of 118517225785 in words is "one hundred eighteen billion, five hundred seventeen million, two hundred twenty-five thousand, seven hundred eighty-five".