115211132 has 24 divisors (see below), whose sum is σ = 205117920. Its totient is φ = 56611520.

The previous prime is 115211111. The next prime is 115211137. The reversal of 115211132 is 231112511.

It is a self number, because there is not a number n which added to its sum of digits gives 115211132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115211137) 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, 144158 + ... + 144954.

It is an arithmetic number, because the mean of its divisors is an integer number (8546580).

Almost surely, 2^115211132 is an apocalyptic number.

It is an amenable number.

115211132 is a deficient number, since it is larger than the sum of its proper divisors (89906788).

115211132 is a wasteful number, since it uses less digits than its factorization.

115211132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381 (or 1379 counting only the distinct ones).

The product of its digits is 60, while the sum is 17.

The square root of 115211132 is about 10733.6448609035. The cubic root of 115211132 is about 486.5918320745.

Adding to 115211132 its reverse (231112511), we get a palindrome (346323643).

The spelling of 115211132 in words is "one hundred fifteen million, two hundred eleven thousand, one hundred thirty-two".