115700215 has 32 divisors (see below), whose sum is σ = 159805440. Its totient is φ = 79833600.

The previous prime is 115700213. The next prime is 115700243. The reversal of 115700215 is 512007511.

It is not a de Polignac number, because 115700215 - 2¹ = 115700213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115700213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48910 + ... + 51220.

It is an arithmetic number, because the mean of its divisors is an integer number (4993920).

Almost surely, 2^115700215 is an apocalyptic number.

115700215 is a deficient number, since it is larger than the sum of its proper divisors (44105225).

115700215 is a wasteful number, since it uses less digits than its factorization.

115700215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383.

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 115700215 is about 10756.4034416714. The cubic root of 115700215 is about 487.2794040296.

Adding to 115700215 its reverse (512007511), we get a palindrome (627707726).

The spelling of 115700215 in words is "one hundred fifteen million, seven hundred thousand, two hundred fifteen".