118629993854 has 4 divisors (see below), whose sum is σ = 177944990784. Its totient is φ = 59314996926.

The previous prime is 118629993829. The next prime is 118629993901. The reversal of 118629993854 is 458399926811.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29657498462 + ... + 29657498465.

It is an arithmetic number, because the mean of its divisors is an integer number (44486247696).

Almost surely, 2^118629993854 is an apocalyptic number.

118629993854 is a deficient number, since it is larger than the sum of its proper divisors (59314996930).

118629993854 is an equidigital number, since it uses as much as digits as its factorization.

118629993854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59314996929.

The product of its digits is 33592320, while the sum is 65.

The spelling of 118629993854 in words is "one hundred eighteen billion, six hundred twenty-nine million, nine hundred ninety-three thousand, eight hundred fifty-four".