115513447 has 16 divisors (see below), whose sum is σ = 134991360. Its totient is φ = 96793632.

The previous prime is 115513423. The next prime is 115513457. The reversal of 115513447 is 744315511.

It is a cyclic number.

It is not a de Polignac number, because 115513447 - 2⁷ = 115513319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115513457) 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, 186304 + ... + 186922.

It is an arithmetic number, because the mean of its divisors is an integer number (8436960).

Almost surely, 2^115513447 is an apocalyptic number.

115513447 is a deficient number, since it is larger than the sum of its proper divisors (19477913).

115513447 is an equidigital number, since it uses as much as digits as its factorization.

115513447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182.

The product of its digits is 8400, while the sum is 31.

The square root of 115513447 is about 10747.7182229532. The cubic root of 115513447 is about 487.0170673998.

Adding to 115513447 its reverse (744315511), we get a palindrome (859828958).

The spelling of 115513447 in words is "one hundred fifteen million, five hundred thirteen thousand, four hundred forty-seven".