115719641 has 2 divisors, whose sum is σ = 115719642. Its totient is φ = 115719640.

The previous prime is 115719619. The next prime is 115719649. The reversal of 115719641 is 146917511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95961616 + 19758025 = 9796^2 + 4445^2 .

It is a cyclic number.

It is not a de Polignac number, because 115719641 - 2⁶ = 115719577 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (115719649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57859820 + 57859821.

It is an arithmetic number, because the mean of its divisors is an integer number (57859821).

Almost surely, 2^115719641 is an apocalyptic number.

It is an amenable number.

115719641 is a deficient number, since it is larger than the sum of its proper divisors (1).

115719641 is an equidigital number, since it uses as much as digits as its factorization.

115719641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 35.

The square root of 115719641 is about 10757.3064007678. The cubic root of 115719641 is about 487.3066738146.

It can be divided in two parts, 11571 and 9641, that added together give a palindrome (21212).

The spelling of 115719641 in words is "one hundred fifteen million, seven hundred nineteen thousand, six hundred forty-one".