115609288 has 8 divisors (see below), whose sum is σ = 216767430. Its totient is φ = 57804640.

The previous prime is 115609211. The next prime is 115609313. The reversal of 115609288 is 882906511.

It can be written as a sum of positive squares in only one way, i.e., 114447204 + 1162084 = 10698^2 + 1078^2 .

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 115609288.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7225573 + ... + 7225588.

Almost surely, 2^115609288 is an apocalyptic number.

It is an amenable number.

115609288 is a deficient number, since it is larger than the sum of its proper divisors (101158142).

115609288 is a wasteful number, since it uses less digits than its factorization.

115609288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14451167 (or 14451163 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 115609288 is about 10752.1759658220. The cubic root of 115609288 is about 487.1517221403.

The spelling of 115609288 in words is "one hundred fifteen million, six hundred nine thousand, two hundred eighty-eight".