115225514152213 has 4 divisors (see below), whose sum is σ = 115998839750700. Its totient is φ = 114452188553728.

The previous prime is 115225514152153. The next prime is 115225514152219. The reversal of 115225514152213 is 312251415522511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21018942268164 + 94206571884049 = 4584642^2 + 9706007^2 .

It is a cyclic number.

It is not a de Polignac number, because 115225514152213 - 2²¹ = 115225512055061 is a prime.

It is a super-2 number, since 2×115225514152213² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115225514152219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386662799020 + ... + 386662799317.

It is an arithmetic number, because the mean of its divisors is an integer number (28999709937675).

Almost surely, 2^{115225514152213} is an apocalyptic number.

It is an amenable number.

115225514152213 is a deficient number, since it is larger than the sum of its proper divisors (773325598487).

115225514152213 is an equidigital number, since it uses as much as digits as its factorization.

115225514152213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773325598486.

The product of its digits is 120000, while the sum is 40.

Adding to 115225514152213 its reverse (312251415522511), we get a palindrome (427476929674724).

The spelling of 115225514152213 in words is "one hundred fifteen trillion, two hundred twenty-five billion, five hundred fourteen million, one hundred fifty-two thousand, two hundred thirteen".