118450929897 has 12 divisors (see below), whose sum is σ = 174736124160. Its totient is φ = 77287131288.

The previous prime is 118450929833. The next prime is 118450929899. The reversal of 118450929897 is 798929054811.

118450929897 is a `hidden beast` number, since 1 + 1 + 8 + 450 + 9 + 2 + 98 + 97 = 666.

It is not a de Polignac number, because 118450929897 - 2⁶ = 118450929833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118450929899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140012497 + ... + 140013342.

It is an arithmetic number, because the mean of its divisors is an integer number (14561343680).

Almost surely, 2^118450929897 is an apocalyptic number.

It is an amenable number.

118450929897 is a deficient number, since it is larger than the sum of its proper divisors (56285194263).

118450929897 is a wasteful number, since it uses less digits than its factorization.

118450929897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280025892 (or 280025889 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 63.

The spelling of 118450929897 in words is "one hundred eighteen billion, four hundred fifty million, nine hundred twenty-nine thousand, eight hundred ninety-seven".