115071771 has 16 divisors (see below), whose sum is σ = 164246400. Its totient is φ = 71443008.

The previous prime is 115071767. The next prime is 115071773. The reversal of 115071771 is 177170511.

It is a happy number.

It is not a de Polignac number, because 115071771 - 2² = 115071767 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115071773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13746 + ... + 20471.

It is an arithmetic number, because the mean of its divisors is an integer number (10265400).

Almost surely, 2^115071771 is an apocalyptic number.

115071771 is a deficient number, since it is larger than the sum of its proper divisors (49174629).

115071771 is a wasteful number, since it uses less digits than its factorization.

115071771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34298.

The product of its (nonzero) digits is 1715, while the sum is 30.

The square root of 115071771 is about 10727.1511129470. The cubic root of 115071771 is about 486.3955568142.

The spelling of 115071771 in words is "one hundred fifteen million, seventy-one thousand, seven hundred seventy-one".