115877311 has 4 divisors (see below), whose sum is σ = 126411624. Its totient is φ = 105343000.

The previous prime is 115877309. The next prime is 115877327. The reversal of 115877311 is 113778511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115877311 - 2¹ = 115877309 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 (115877341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5267140 + ... + 5267161.

It is an arithmetic number, because the mean of its divisors is an integer number (31602906).

Almost surely, 2^115877311 is an apocalyptic number.

115877311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

115877311 is a deficient number, since it is larger than the sum of its proper divisors (10534313).

115877311 is a wasteful number, since it uses less digits than its factorization.

115877311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10534312.

The product of its digits is 5880, while the sum is 34.

The square root of 115877311 is about 10764.6324136034. The cubic root of 115877311 is about 487.5278946125.

The spelling of 115877311 in words is "one hundred fifteen million, eight hundred seventy-seven thousand, three hundred eleven".