115042861 has 8 divisors (see below), whose sum is σ = 117610560. Its totient is φ = 112495872.

The previous prime is 115042847. The next prime is 115042871. The reversal of 115042861 is 168240511.

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

It is a cyclic number.

It is not a de Polignac number, because 115042861 - 2¹¹ = 115040813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115042831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6336 + ... + 16438.

It is an arithmetic number, because the mean of its divisors is an integer number (14701320).

Almost surely, 2^115042861 is an apocalyptic number.

It is an amenable number.

115042861 is a deficient number, since it is larger than the sum of its proper divisors (2567699).

115042861 is a wasteful number, since it uses less digits than its factorization.

115042861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10355.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 115042861 is about 10725.8035130241. The cubic root of 115042861 is about 486.3548202861.

It can be divided in two parts, 11504 and 2861, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 115042861 in words is "one hundred fifteen million, forty-two thousand, eight hundred sixty-one".