115648219 has 2 divisors, whose sum is σ = 115648220. Its totient is φ = 115648218.

The previous prime is 115648213. The next prime is 115648243. The reversal of 115648219 is 912846511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115648219 - 2⁵ = 115648187 is a prime.

It is a super-2 number, since 2×115648219² = 26749021115743922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115648213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57824109 + 57824110.

It is an arithmetic number, because the mean of its divisors is an integer number (57824110).

Almost surely, 2^115648219 is an apocalyptic number.

115648219 is a deficient number, since it is larger than the sum of its proper divisors (1).

115648219 is an equidigital number, since it uses as much as digits as its factorization.

115648219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 37.

The square root of 115648219 is about 10753.9861911758. The cubic root of 115648219 is about 487.2063981834.

The spelling of 115648219 in words is "one hundred fifteen million, six hundred forty-eight thousand, two hundred nineteen".