115511214 has 32 divisors (see below), whose sum is σ = 284336640. Its totient is φ = 30464352.

The previous prime is 115511213. The next prime is 115511237. The reversal of 115511214 is 412115511.

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 (115511213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105234 + ... + 106325.

It is an arithmetic number, because the mean of its divisors is an integer number (8885520).

Almost surely, 2^115511214 is an apocalyptic number.

115511214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

115511214 is an abundant number, since it is smaller than the sum of its proper divisors (168825426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115511214 is a wasteful number, since it uses less digits than its factorization.

115511214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211584.

The product of its digits is 200, while the sum is 21.

The square root of 115511214 is about 10747.6143399361. The cubic root of 115511214 is about 487.0139291905.

Adding to 115511214 its reverse (412115511), we get a palindrome (527626725).

The spelling of 115511214 in words is "one hundred fifteen million, five hundred eleven thousand, two hundred fourteen".