118419642045 has 24 divisors (see below), whose sum is σ = 205336582776. Its totient is φ = 63133797888.

The previous prime is 118419642037. The next prime is 118419642053. The reversal of 118419642045 is 540246914811.

118419642045 is a `hidden beast` number, since 1 + 184 + 1 + 9 + 6 + 420 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (118419642037) and next prime (118419642053).

It can be written as a sum of positive squares in 4 ways, for example, as 23748967449 + 94670674596 = 154107^2 + 307686^2 .

It is not a de Polignac number, because 118419642045 - 2³ = 118419642037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 362904 + ... + 607073.

It is an arithmetic number, because the mean of its divisors is an integer number (8555690949).

Almost surely, 2^118419642045 is an apocalyptic number.

118419642045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118419642045 is a deficient number, since it is larger than the sum of its proper divisors (86916940731).

118419642045 is a wasteful number, since it uses less digits than its factorization.

118419642045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972701 (or 972698 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 118419642045 in words is "one hundred eighteen billion, four hundred nineteen million, six hundred forty-two thousand, forty-five".