118581759999 has 16 divisors (see below), whose sum is σ = 186010604640. Its totient is φ = 74404241280.

The previous prime is 118581759991. The next prime is 118581760027. The reversal of 118581759999 is 999957185811.

118581759999 is a `hidden beast` number, since 1 + 18 + 5 + 8 + 17 + 599 + 9 + 9 = 666.

It is not a de Polignac number, because 118581759999 - 2³ = 118581759991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118581759991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129173572 + ... + 129174489.

It is an arithmetic number, because the mean of its divisors is an integer number (11625662790).

Almost surely, 2^118581759999 is an apocalyptic number.

118581759999 is a deficient number, since it is larger than the sum of its proper divisors (67428844641).

118581759999 is a wasteful number, since it uses less digits than its factorization.

118581759999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258348087 (or 258348081 counting only the distinct ones).

The product of its digits is 73483200, while the sum is 72.

The spelling of 118581759999 in words is "one hundred eighteen billion, five hundred eighty-one million, seven hundred fifty-nine thousand, nine hundred ninety-nine".