115775461 has 2 divisors, whose sum is σ = 115775462. Its totient is φ = 115775460.

The previous prime is 115775449. The next prime is 115775467. The reversal of 115775461 is 164577511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98386561 + 17388900 = 9919^2 + 4170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115775461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115775461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115775467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57887730 + 57887731.

It is an arithmetic number, because the mean of its divisors is an integer number (57887731).

Almost surely, 2^115775461 is an apocalyptic number.

It is an amenable number.

115775461 is a deficient number, since it is larger than the sum of its proper divisors (1).

115775461 is an equidigital number, since it uses as much as digits as its factorization.

115775461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29400, while the sum is 37.

The square root of 115775461 is about 10759.9006036301. The cubic root of 115775461 is about 487.3850157040.

The spelling of 115775461 in words is "one hundred fifteen million, seven hundred seventy-five thousand, four hundred sixty-one".