118225515873 has 4 divisors (see below), whose sum is σ = 157634021168. Its totient is φ = 78817010580.

The previous prime is 118225515851. The next prime is 118225515899. The reversal of 118225515873 is 378515522811.

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 not a de Polignac number, because 118225515873 - 2¹⁴ = 118225499489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118225515803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19704252643 + ... + 19704252648.

It is an arithmetic number, because the mean of its divisors is an integer number (39408505292).

Almost surely, 2^118225515873 is an apocalyptic number.

It is an amenable number.

118225515873 is a deficient number, since it is larger than the sum of its proper divisors (39408505295).

118225515873 is an equidigital number, since it uses as much as digits as its factorization.

118225515873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39408505294.

The product of its digits is 672000, while the sum is 48.

The spelling of 118225515873 in words is "one hundred eighteen billion, two hundred twenty-five million, five hundred fifteen thousand, eight hundred seventy-three".