118381525 has 12 divisors (see below), whose sum is σ = 146945952. Its totient is φ = 94606640.

The previous prime is 118381511. The next prime is 118381547. The reversal of 118381525 is 525183811.

It is not a de Polignac number, because 118381525 - 2⁷ = 118381397 is a prime.

It is a super-2 number, since 2×118381525² = 28028370922651250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 30864 + ... + 34486.

It is an arithmetic number, because the mean of its divisors is an integer number (12245496).

Almost surely, 2^118381525 is an apocalyptic number.

It is an amenable number.

118381525 is a deficient number, since it is larger than the sum of its proper divisors (28564427).

118381525 is a wasteful number, since it uses less digits than its factorization.

118381525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4940 (or 4935 counting only the distinct ones).

The product of its digits is 9600, while the sum is 34.

The square root of 118381525 is about 10880.3274307348. The cubic root of 118381525 is about 491.0148686878.

The spelling of 118381525 in words is "one hundred eighteen million, three hundred eighty-one thousand, five hundred twenty-five".