118556006399 has 4 divisors (see below), whose sum is σ = 118571465136. Its totient is φ = 118540547664.

The previous prime is 118556006381. The next prime is 118556006419. The reversal of 118556006399 is 993600655811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993600655811 = 18311 ⋅54262501.

It is a cyclic number.

It is not a de Polignac number, because 118556006399 - 2³² = 114261039103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118556006399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118556006329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7717859 + ... + 7733204.

It is an arithmetic number, because the mean of its divisors is an integer number (29642866284).

Almost surely, 2^118556006399 is an apocalyptic number.

118556006399 is a deficient number, since it is larger than the sum of its proper divisors (15458737).

118556006399 is an equidigital number, since it uses as much as digits as its factorization.

118556006399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15458736.

The product of its (nonzero) digits is 1749600, while the sum is 53.

The spelling of 118556006399 in words is "one hundred eighteen billion, five hundred fifty-six million, six thousand, three hundred ninety-nine".