115277312 has 40 divisors (see below), whose sum is σ = 234168792. Its totient is φ = 56678400.

The previous prime is 115277273. The next prime is 115277321. The reversal of 115277312 is 213772511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29387 + ... + 33077.

Almost surely, 2^115277312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115277312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117084396).

115277312 is an abundant number, since it is smaller than the sum of its proper divisors (118891480).

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

115277312 is an frugal number, since it uses more digits than its factorization.

115277312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3770 (or 3754 counting only the distinct ones).

The product of its digits is 2940, while the sum is 29.

The square root of 115277312 is about 10736.7272480957. The cubic root of 115277312 is about 486.6849841941.

The spelling of 115277312 in words is "one hundred fifteen million, two hundred seventy-seven thousand, three hundred twelve".