118699384905 has 56 divisors (see below), whose sum is σ = 214086041160. Its totient is φ = 63150762240.

The previous prime is 118699384891. The next prime is 118699384913. The reversal of 118699384905 is 509483996811.

118699384905 is a `hidden beast` number, since 1 + 1 + 86 + 99 + 384 + 90 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 17811838521 + 100887546384 = 133461^2 + 317628^2 .

It is not a de Polignac number, because 118699384905 - 2¹³ = 118699376713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1450995 + ... + 1530615.

Almost surely, 2^118699384905 is an apocalyptic number.

118699384905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118699384905 is a deficient number, since it is larger than the sum of its proper divisors (95386656255).

118699384905 is an frugal number, since it uses more digits than its factorization.

118699384905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80053 (or 80038 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 63.

The spelling of 118699384905 in words is "one hundred eighteen billion, six hundred ninety-nine million, three hundred eighty-four thousand, nine hundred five".