118805178053 has 4 divisors (see below), whose sum is σ = 119246833260. Its totient is φ = 118363522848.

The previous prime is 118805178047. The next prime is 118805178073. The reversal of 118805178053 is 350871508811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 350871508811 = 419 ⋅837402169.

It can be written as a sum of positive squares in 2 ways, for example, as 41021641444 + 77783536609 = 202538^2 + 278897^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118805178053 is a prime.

It is a super-2 number, since 2×118805178053² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118805177989 and 118805178007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118805178043) 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, 220827200 + ... + 220827737.

It is an arithmetic number, because the mean of its divisors is an integer number (29811708315).

Almost surely, 2^118805178053 is an apocalyptic number.

It is an amenable number.

118805178053 is a deficient number, since it is larger than the sum of its proper divisors (441655207).

118805178053 is an equidigital number, since it uses as much as digits as its factorization.

118805178053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441655206.

The product of its (nonzero) digits is 268800, while the sum is 47.

The spelling of 118805178053 in words is "one hundred eighteen billion, eight hundred five million, one hundred seventy-eight thousand, fifty-three".