118109632985 has 8 divisors (see below), whose sum is σ = 146618854920. Its totient is φ = 91229509504.

The previous prime is 118109632969. The next prime is 118109632999. The reversal of 118109632985 is 589236901811.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12550272784 + 105559360201 = 112028^2 + 324899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118109632985 - 2⁴ = 118109632969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407274452 + ... + 407274741.

It is an arithmetic number, because the mean of its divisors is an integer number (18327356865).

Almost surely, 2^118109632985 is an apocalyptic number.

It is an amenable number.

118109632985 is a deficient number, since it is larger than the sum of its proper divisors (28509221935).

118109632985 is an equidigital number, since it uses as much as digits as its factorization.

118109632985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814549227.

The product of its (nonzero) digits is 933120, while the sum is 53.

The spelling of 118109632985 in words is "one hundred eighteen billion, one hundred nine million, six hundred thirty-two thousand, nine hundred eighty-five".