115745771 has 2 divisors, whose sum is σ = 115745772. Its totient is φ = 115745770.

The previous prime is 115745743. The next prime is 115745789. The reversal of 115745771 is 177547511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115745771 is a prime.

It is not a weakly prime, because it can be changed into another prime (115745671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57872885 + 57872886.

It is an arithmetic number, because the mean of its divisors is an integer number (57872886).

Almost surely, 2^115745771 is an apocalyptic number.

115745771 is a deficient number, since it is larger than the sum of its proper divisors (1).

115745771 is an equidigital number, since it uses as much as digits as its factorization.

115745771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34300, while the sum is 38.

The square root of 115745771 is about 10758.5208555823. The cubic root of 115745771 is about 487.3433497122.

The spelling of 115745771 in words is "one hundred fifteen million, seven hundred forty-five thousand, seven hundred seventy-one".