118194805313 has 24 divisors (see below), whose sum is σ = 134621625600. Its totient is φ = 103142893536.

The previous prime is 118194805279. The next prime is 118194805321. The reversal of 118194805313 is 313508491811.

It is a de Polignac number, because none of the positive numbers 2^k-118194805313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118194805373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2221658 + ... + 2274236.

It is an arithmetic number, because the mean of its divisors is an integer number (5609234400).

Almost surely, 2^118194805313 is an apocalyptic number.

118194805313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

118194805313 is a deficient number, since it is larger than the sum of its proper divisors (16426820287).

118194805313 is a wasteful number, since it uses less digits than its factorization.

118194805313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53109 (or 53090 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 44.

The spelling of 118194805313 in words is "one hundred eighteen billion, one hundred ninety-four million, eight hundred five thousand, three hundred thirteen".