115251636 has 24 divisors (see below), whose sum is σ = 284739840. Its totient is φ = 36157312.

The previous prime is 115251613. The next prime is 115251637. The reversal of 115251636 is 636152511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115251637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282276 + ... + 282683.

It is an arithmetic number, because the mean of its divisors is an integer number (11864160).

Almost surely, 2^115251636 is an apocalyptic number.

It is an amenable number.

115251636 is an abundant number, since it is smaller than the sum of its proper divisors (169488204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115251636 is a wasteful number, since it uses less digits than its factorization.

115251636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564983 (or 564981 counting only the distinct ones).

The product of its digits is 5400, while the sum is 30.

The square root of 115251636 is about 10735.5314726380. The cubic root of 115251636 is about 486.6488479955.

The spelling of 115251636 in words is "one hundred fifteen million, two hundred fifty-one thousand, six hundred thirty-six".