115782111 has 6 divisors (see below), whose sum is σ = 167240840. Its totient is φ = 77188068.

The previous prime is 115782083. The next prime is 115782113. The reversal of 115782111 is 111287511.

It is not a de Polignac number, because 115782111 - 2⁶ = 115782047 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 (115782113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6432331 + ... + 6432348.

Almost surely, 2^115782111 is an apocalyptic number.

115782111 is a deficient number, since it is larger than the sum of its proper divisors (51458729).

115782111 is a wasteful number, since it uses less digits than its factorization.

115782111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12864685 (or 12864682 counting only the distinct ones).

The product of its digits is 560, while the sum is 27.

The square root of 115782111 is about 10760.2096169173. The cubic root of 115782111 is about 487.3943471239.

It can be divided in two parts, 11578 and 2111, that added together give a square (13689 = 117²).

The spelling of 115782111 in words is "one hundred fifteen million, seven hundred eighty-two thousand, one hundred eleven".