115513849 has 16 divisors (see below), whose sum is σ = 127820736. Its totient is φ = 103521600.

The previous prime is 115513847. The next prime is 115513859. The reversal of 115513849 is 948315511.

It is a cyclic number.

It is not a de Polignac number, because 115513849 - 2¹ = 115513847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115513841) 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, 364239 + ... + 364555.

It is an arithmetic number, because the mean of its divisors is an integer number (7988796).

Almost surely, 2^115513849 is an apocalyptic number.

It is an amenable number.

115513849 is a deficient number, since it is larger than the sum of its proper divisors (12306887).

115513849 is a wasteful number, since it uses less digits than its factorization.

115513849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696.

The product of its digits is 21600, while the sum is 37.

The square root of 115513849 is about 10747.7369245809. The cubic root of 115513849 is about 487.0176323575.

It can be divided in two parts, 11551 and 3849, that added together give a triangular number (15400 = T₁₇₅).

The spelling of 115513849 in words is "one hundred fifteen million, five hundred thirteen thousand, eight hundred forty-nine".