115071805 has 8 divisors (see below), whose sum is σ = 138227544. Its totient is φ = 91963200.

The previous prime is 115071799. The next prime is 115071821. The reversal of 115071805 is 508170511.

It can be written as a sum of positive squares in 4 ways, for example, as 28451556 + 86620249 = 5334^2 + 9307^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115071805 - 2⁵ = 115071773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6166 + ... + 16375.

It is an arithmetic number, because the mean of its divisors is an integer number (17278443).

Almost surely, 2^115071805 is an apocalyptic number.

It is an amenable number.

115071805 is a deficient number, since it is larger than the sum of its proper divisors (23155739).

115071805 is a wasteful number, since it uses less digits than its factorization.

115071805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23567.

The product of its (nonzero) digits is 1400, while the sum is 28.

The square root of 115071805 is about 10727.1526977106. The cubic root of 115071805 is about 486.3956047189.

The spelling of 115071805 in words is "one hundred fifteen million, seventy-one thousand, eight hundred five".