115881288 has 32 divisors (see below), whose sum is σ = 290765760. Its totient is φ = 38485440.

The previous prime is 115881287. The next prime is 115881289. The reversal of 115881288 is 882188511.

It is an interprime number because it is at equal distance from previous prime (115881287) and next prime (115881289).

It is not an unprimeable number, because it can be changed into a prime (115881287) 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, 2068 + ... + 15363.

It is an arithmetic number, because the mean of its divisors is an integer number (9086430).

Almost surely, 2^115881288 is an apocalyptic number.

It is an amenable number.

115881288 is an abundant number, since it is smaller than the sum of its proper divisors (174884472).

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

115881288 is a wasteful number, since it uses less digits than its factorization.

115881288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17717 (or 17713 counting only the distinct ones).

The product of its digits is 40960, while the sum is 42.

The square root of 115881288 is about 10764.8171373229. The cubic root of 115881288 is about 487.5334719950.

The spelling of 115881288 in words is "one hundred fifteen million, eight hundred eighty-one thousand, two hundred eighty-eight".