118231191753 has 4 divisors (see below), whose sum is σ = 157641589008. Its totient is φ = 78820794500.

The previous prime is 118231191721. The next prime is 118231191761. The reversal of 118231191753 is 357191132811.

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 118231191753 - 2⁵ = 118231191721 is a prime.

It is a super-2 number, since 2×118231191753² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (118231191553) 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, 19705198623 + ... + 19705198628.

It is an arithmetic number, because the mean of its divisors is an integer number (39410397252).

Almost surely, 2^118231191753 is an apocalyptic number.

It is an amenable number.

118231191753 is a deficient number, since it is larger than the sum of its proper divisors (39410397255).

118231191753 is an equidigital number, since it uses as much as digits as its factorization.

118231191753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39410397254.

The product of its digits is 45360, while the sum is 42.

It can be divided in two parts, 11823 and 1191753, that added together give a triangular number (1203576 = T₁₅₅₁).

The spelling of 118231191753 in words is "one hundred eighteen billion, two hundred thirty-one million, one hundred ninety-one thousand, seven hundred fifty-three".