115011400 has 96 divisors (see below), whose sum is σ = 308730240. Its totient is φ = 39029760.

The previous prime is 115011353. The next prime is 115011433. The reversal of 115011400 is 4110511.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157837 + ... + 158563.

It is an arithmetic number, because the mean of its divisors is an integer number (3215940).

Almost surely, 2^115011400 is an apocalyptic number.

115011400 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 115011400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154365120).

115011400 is an abundant number, since it is smaller than the sum of its proper divisors (193718840).

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

115011400 is a wasteful number, since it uses less digits than its factorization.

115011400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863 (or 854 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 115011400 is about 10724.3368093323. The cubic root of 115011400 is about 486.3104814374.

Adding to 115011400 its reverse (4110511), we get a palindrome (119121911).

The spelling of 115011400 in words is "one hundred fifteen million, eleven thousand, four hundred".