115544413 has 2 divisors, whose sum is σ = 115544414. Its totient is φ = 115544412.

The previous prime is 115544411. The next prime is 115544441. The reversal of 115544413 is 314445511.

It is an a-pointer prime, because the next prime (115544441) can be obtained adding 115544413 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64593369 + 50951044 = 8037^2 + 7138^2 .

It is a cyclic number.

It is not a de Polignac number, because 115544413 - 2¹ = 115544411 is a prime.

It is a super-2 number, since 2×115544413² = 26701022751029138, which contains 22 as substring.

Together with 115544411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115544411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57772206 + 57772207.

It is an arithmetic number, because the mean of its divisors is an integer number (57772207).

Almost surely, 2^115544413 is an apocalyptic number.

It is an amenable number.

115544413 is a deficient number, since it is larger than the sum of its proper divisors (1).

115544413 is an equidigital number, since it uses as much as digits as its factorization.

115544413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 28.

The square root of 115544413 is about 10749.1587112667. The cubic root of 115544413 is about 487.0605821694.

Adding to 115544413 its reverse (314445511), we get a palindrome (429989924).

The spelling of 115544413 in words is "one hundred fifteen million, five hundred forty-four thousand, four hundred thirteen".