118641672245 has 16 divisors (see below), whose sum is σ = 143080293360. Its totient is φ = 94440328704.

The previous prime is 118641672229. The next prime is 118641672293. The reversal of 118641672245 is 542276146811.

It can be written as a sum of positive squares in 8 ways, for example, as 6394561156 + 112247111089 = 79966^2 + 335033^2 .

It is a cyclic number.

It is not a de Polignac number, because 118641672245 - 2⁴ = 118641672229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118641672245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1865999 + ... + 1928531.

It is an arithmetic number, because the mean of its divisors is an integer number (8942518335).

Almost surely, 2^118641672245 is an apocalyptic number.

It is an amenable number.

118641672245 is a deficient number, since it is larger than the sum of its proper divisors (24438621115).

118641672245 is a wasteful number, since it uses less digits than its factorization.

118641672245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64424.

The product of its digits is 645120, while the sum is 47.

The spelling of 118641672245 in words is "one hundred eighteen billion, six hundred forty-one million, six hundred seventy-two thousand, two hundred forty-five".