115872811 has 8 divisors (see below), whose sum is σ = 122245200. Its totient is φ = 109527840.

The previous prime is 115872797. The next prime is 115872817. The reversal of 115872811 is 118278511.

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 115872811 - 2¹⁹ = 115348523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115872817) 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, 2145 + ... + 15373.

It is an arithmetic number, because the mean of its divisors is an integer number (15280650).

Almost surely, 2^115872811 is an apocalyptic number.

115872811 is a deficient number, since it is larger than the sum of its proper divisors (6372389).

115872811 is a wasteful number, since it uses less digits than its factorization.

115872811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13709.

The product of its digits is 4480, while the sum is 34.

The square root of 115872811 is about 10764.4233937541. The cubic root of 115872811 is about 487.5215836159.

The spelling of 115872811 in words is "one hundred fifteen million, eight hundred seventy-two thousand, eight hundred eleven".