118766039905 has 8 divisors (see below), whose sum is σ = 142720266600. Its totient is φ = 94878819456.

The previous prime is 118766039891. The next prime is 118766039911. The reversal of 118766039905 is 509930667811.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1912137984 + 116853901921 = 43728^2 + 341839^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118766039905 - 2²³ = 118757651297 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16747660 + ... + 16754749.

It is an arithmetic number, because the mean of its divisors is an integer number (17840033325).

Almost surely, 2^118766039905 is an apocalyptic number.

It is an amenable number.

118766039905 is a deficient number, since it is larger than the sum of its proper divisors (23954226695).

118766039905 is an equidigital number, since it uses as much as digits as its factorization.

118766039905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33503123.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 118766039905 in words is "one hundred eighteen billion, seven hundred sixty-six million, thirty-nine thousand, nine hundred five".