118519193797 has 4 divisors (see below), whose sum is σ = 120288137056. Its totient is φ = 116750250540.

The previous prime is 118519193747. The next prime is 118519193801. The reversal of 118519193797 is 797391915811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 118519193797 - 2³¹ = 116371710149 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 (118519193747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 884471529 + ... + 884471662.

It is an arithmetic number, because the mean of its divisors is an integer number (30072034264).

Almost surely, 2^118519193797 is an apocalyptic number.

It is an amenable number.

118519193797 is a deficient number, since it is larger than the sum of its proper divisors (1768943259).

118519193797 is an equidigital number, since it uses as much as digits as its factorization.

118519193797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768943258.

The product of its digits is 4286520, while the sum is 61.

The spelling of 118519193797 in words is "one hundred eighteen billion, five hundred nineteen million, one hundred ninety-three thousand, seven hundred ninety-seven".