115632111 has 12 divisors (see below), whose sum is σ = 179347992. Its totient is φ = 66075408.

The previous prime is 115632107. The next prime is 115632163. The reversal of 115632111 is 111236511.

It is a happy number.

It is not a de Polignac number, because 115632111 - 2² = 115632107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115632311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 393160 + ... + 393453.

It is an arithmetic number, because the mean of its divisors is an integer number (14945666).

Almost surely, 2^115632111 is an apocalyptic number.

115632111 is a deficient number, since it is larger than the sum of its proper divisors (63715881).

115632111 is an equidigital number, since it uses as much as digits as its factorization.

115632111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786630 (or 786623 counting only the distinct ones).

The product of its digits is 180, while the sum is 21.

The square root of 115632111 is about 10753.2372335032. The cubic root of 115632111 is about 487.1837770394.

Adding to 115632111 its reverse (111236511), we get a palindrome (226868622).

The spelling of 115632111 in words is "one hundred fifteen million, six hundred thirty-two thousand, one hundred eleven".