115613201 has 6 divisors (see below), whose sum is σ = 127079106. Its totient is φ = 105102800.

The previous prime is 115613191. The next prime is 115613219. The reversal of 115613201 is 102316511.

It can be written as a sum of positive squares in only one way, i.e., 103530625 + 12082576 = 10175^2 + 3476^2 .

It is not a de Polignac number, because 115613201 - 2¹⁰ = 115612177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115613221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 477620 + ... + 477861.

It is an arithmetic number, because the mean of its divisors is an integer number (21179851).

Almost surely, 2^115613201 is an apocalyptic number.

115613201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

115613201 is a deficient number, since it is larger than the sum of its proper divisors (11465905).

115613201 is an equidigital number, since it uses as much as digits as its factorization.

115613201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955503 (or 955492 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 115613201 is about 10752.3579274501. The cubic root of 115613201 is about 487.1572182477.

Adding to 115613201 its reverse (102316511), we get a palindrome (217929712).

It can be divided in two parts, 115 and 613201, that added together give a palindrome (613316).

The spelling of 115613201 in words is "one hundred fifteen million, six hundred thirteen thousand, two hundred one".