115512678228 has 24 divisors (see below), whose sum is σ = 271143536832. Its totient is φ = 38273661184.

The previous prime is 115512678221. The next prime is 115512678263. The reversal of 115512678228 is 822876215511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115512678221) 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, 28818525 + ... + 28822532.

It is an arithmetic number, because the mean of its divisors is an integer number (11297647368).

Almost surely, 2^115512678228 is an apocalyptic number.

It is an amenable number.

115512678228 is an abundant number, since it is smaller than the sum of its proper divisors (155630858604).

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

115512678228 is a wasteful number, since it uses less digits than its factorization.

115512678228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57641231 (or 57641229 counting only the distinct ones).

The product of its digits is 537600, while the sum is 48.

The spelling of 115512678228 in words is "one hundred fifteen billion, five hundred twelve million, six hundred seventy-eight thousand, two hundred twenty-eight".