115444661 has 2 divisors, whose sum is σ = 115444662. Its totient is φ = 115444660.

The previous prime is 115444649. The next prime is 115444669. The reversal of 115444661 is 166444511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114276100 + 1168561 = 10690^2 + 1081^2 .

It is a cyclic number.

It is not a de Polignac number, because 115444661 - 2⁶ = 115444597 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115444669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57722330 + 57722331.

It is an arithmetic number, because the mean of its divisors is an integer number (57722331).

Almost surely, 2^115444661 is an apocalyptic number.

It is an amenable number.

115444661 is a deficient number, since it is larger than the sum of its proper divisors (1).

115444661 is an equidigital number, since it uses as much as digits as its factorization.

115444661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 32.

The square root of 115444661 is about 10744.5177183529. The cubic root of 115444661 is about 486.9203784901.

The spelling of 115444661 in words is "one hundred fifteen million, four hundred forty-four thousand, six hundred sixty-one".