118891117825 has 12 divisors (see below), whose sum is σ = 147508852480. Its totient is φ = 95058786960.

The previous prime is 118891117817. The next prime is 118891117903. The reversal of 118891117825 is 528711198811.

It is a happy number.

It is not a de Polignac number, because 118891117825 - 2³ = 118891117817 is a prime.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1307829 + ... + 1395778.

Almost surely, 2^118891117825 is an apocalyptic number.

It is an amenable number.

118891117825 is a deficient number, since it is larger than the sum of its proper divisors (28617734655).

118891117825 is a wasteful number, since it uses less digits than its factorization.

118891117825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705376 (or 2705371 counting only the distinct ones).

The product of its digits is 322560, while the sum is 52.

The spelling of 118891117825 in words is "one hundred eighteen billion, eight hundred ninety-one million, one hundred seventeen thousand, eight hundred twenty-five".