115311111300 has 576 divisors, whose sum is σ = 472049786880. Its totient is φ = 23448960000.

The previous prime is 115311111269. The next prime is 115311111301. The reversal of 115311111300 is 3111113511.

115311111300 is a `hidden beast` number, since 1 + 1 + 531 + 1 + 1 + 1 + 130 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (115311111301) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9765400 + ... + 9777200.

It is an arithmetic number, because the mean of its divisors is an integer number (819530880).

Almost surely, 2^115311111300 is an apocalyptic number.

115311111300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115311111300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236024893440).

115311111300 is an abundant number, since it is smaller than the sum of its proper divisors (356738675580).

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

115311111300 is a wasteful number, since it uses less digits than its factorization.

115311111300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11889 (or 11876 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 18.

Adding to 115311111300 its reverse (3111113511), we get a palindrome (118422224811).

The spelling of 115311111300 in words is "one hundred fifteen billion, three hundred eleven million, one hundred eleven thousand, three hundred".