118640236245 has 32 divisors (see below), whose sum is σ = 196079616000. Its totient is φ = 61192461120.

The previous prime is 118640236217. The next prime is 118640236249. The reversal of 118640236245 is 542632046811.

It is not a de Polignac number, because 118640236245 - 2¹⁰ = 118640235221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118640236197 and 118640236206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118640236249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 611932 + ... + 782138.

It is an arithmetic number, because the mean of its divisors is an integer number (6127488000).

Almost surely, 2^118640236245 is an apocalyptic number.

118640236245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118640236245 is a deficient number, since it is larger than the sum of its proper divisors (77439379755).

118640236245 is a wasteful number, since it uses less digits than its factorization.

118640236245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171745.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 118640236245 in words is "one hundred eighteen billion, six hundred forty million, two hundred thirty-six thousand, two hundred forty-five".