115911461 has 2 divisors, whose sum is σ = 115911462. Its totient is φ = 115911460.

The previous prime is 115911437. The next prime is 115911563. The reversal of 115911461 is 164119511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88548100 + 27363361 = 9410^2 + 5231^2 .

It is a cyclic number.

It is not a de Polignac number, because 115911461 - 2²² = 111717157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115911401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57955730 + 57955731.

It is an arithmetic number, because the mean of its divisors is an integer number (57955731).

Almost surely, 2^115911461 is an apocalyptic number.

It is an amenable number.

115911461 is a deficient number, since it is larger than the sum of its proper divisors (1).

115911461 is an equidigital number, since it uses as much as digits as its factorization.

115911461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 29.

The square root of 115911461 is about 10766.2185097647. The cubic root of 115911461 is about 487.5757827400.

The spelling of 115911461 in words is "one hundred fifteen million, nine hundred eleven thousand, four hundred sixty-one".