115197288 has 32 divisors (see below), whose sum is σ = 288261600. Its totient is φ = 38363328.

The previous prime is 115197281. The next prime is 115197307. The reversal of 115197288 is 882791511.

It is a Cunningham number, because it is equal to 10733²-1.

It is not an unprimeable number, because it can be changed into a prime (115197281) 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, 41595 + ... + 44277.

It is an arithmetic number, because the mean of its divisors is an integer number (9008175).

Almost surely, 2^115197288 is an apocalyptic number.

It is an amenable number.

115197288 is an abundant number, since it is smaller than the sum of its proper divisors (173064312).

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

115197288 is a wasteful number, since it uses less digits than its factorization.

115197288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4481 (or 4477 counting only the distinct ones).

The product of its digits is 40320, while the sum is 42.

The square root of 115197288 is about 10732.9999534147. Note that the first 4 decimals coincide. The cubic root of 115197288 is about 486.5723413447.

The spelling of 115197288 in words is "one hundred fifteen million, one hundred ninety-seven thousand, two hundred eighty-eight".