115188536 has 8 divisors (see below), whose sum is σ = 215978520. Its totient is φ = 57594264.

The previous prime is 115188533. The next prime is 115188539. The reversal of 115188536 is 635881511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (115188533) and next prime (115188539).

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 115188536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115188533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7199276 + ... + 7199291.

It is an arithmetic number, because the mean of its divisors is an integer number (26997315).

Almost surely, 2^115188536 is an apocalyptic number.

It is an amenable number.

115188536 is a deficient number, since it is larger than the sum of its proper divisors (100789984).

115188536 is a wasteful number, since it uses less digits than its factorization.

115188536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14398573 (or 14398569 counting only the distinct ones).

The product of its digits is 28800, while the sum is 38.

The square root of 115188536 is about 10732.5922311434. The cubic root of 115188536 is about 486.5600187485.

The spelling of 115188536 in words is "one hundred fifteen million, one hundred eighty-eight thousand, five hundred thirty-six".