115042771 has 2 divisors, whose sum is σ = 115042772. Its totient is φ = 115042770.

The previous prime is 115042769. The next prime is 115042799. The reversal of 115042771 is 177240511.

It is an a-pointer prime, because the next prime (115042799) can be obtained adding 115042771 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115042771 - 2¹ = 115042769 is a prime.

Together with 115042769, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (115042721) 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, 57521385 + 57521386.

It is an arithmetic number, because the mean of its divisors is an integer number (57521386).

Almost surely, 2^115042771 is an apocalyptic number.

115042771 is a deficient number, since it is larger than the sum of its proper divisors (1).

115042771 is an equidigital number, since it uses as much as digits as its factorization.

115042771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 115042771 is about 10725.7993175334. The cubic root of 115042771 is about 486.3546934581.

The spelling of 115042771 in words is "one hundred fifteen million, forty-two thousand, seven hundred seventy-one".