115544641 has 2 divisors, whose sum is σ = 115544642. Its totient is φ = 115544640.

The previous prime is 115544629. The next prime is 115544651. The reversal of 115544641 is 146445511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64064016 + 51480625 = 8004^2 + 7175^2 .

It is a cyclic number.

It is not a de Polignac number, because 115544641 - 2⁹ = 115544129 is a prime.

It is not a weakly prime, because it can be changed into another prime (115544651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57772320 + 57772321.

It is an arithmetic number, because the mean of its divisors is an integer number (57772321).

Almost surely, 2^115544641 is an apocalyptic number.

It is an amenable number.

115544641 is a deficient number, since it is larger than the sum of its proper divisors (1).

115544641 is an equidigital number, since it uses as much as digits as its factorization.

115544641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9600, while the sum is 31.

The square root of 115544641 is about 10749.1693167426. The cubic root of 115544641 is about 487.0609025361.

It can be divided in two parts, 1155 and 44641, that added together give a square (45796 = 214²).

The spelling of 115544641 in words is "one hundred fifteen million, five hundred forty-four thousand, six hundred forty-one".