115311128 has 16 divisors (see below), whose sum is σ = 216703080. Its totient is φ = 57523648.

The previous prime is 115311127. The next prime is 115311137. The reversal of 115311128 is 821113511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115311127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12725 + ... + 19812.

Almost surely, 2^115311128 is an apocalyptic number.

It is an amenable number.

115311128 is a deficient number, since it is larger than the sum of its proper divisors (101391952).

115311128 is a wasteful number, since it uses less digits than its factorization.

115311128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32986 (or 32982 counting only the distinct ones).

The product of its digits is 240, while the sum is 23.

The square root of 115311128 is about 10738.3019141762. The cubic root of 115311128 is about 486.7325683779.

Adding to 115311128 its reverse (821113511), we get a palindrome (936424639).

The spelling of 115311128 in words is "one hundred fifteen million, three hundred eleven thousand, one hundred twenty-eight".