115215043 has 8 divisors (see below), whose sum is σ = 119198016. Its totient is φ = 111288000.

The previous prime is 115215041. The next prime is 115215049. The reversal of 115215043 is 340512511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115215043 - 2¹ = 115215041 is a prime.

It is a super-2 number, since 2×115215043² = 26549012266983698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115215041) 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, 9771 + ... + 18052.

It is an arithmetic number, because the mean of its divisors is an integer number (14899752).

Almost surely, 2^115215043 is an apocalyptic number.

115215043 is a deficient number, since it is larger than the sum of its proper divisors (3982973).

115215043 is a wasteful number, since it uses less digits than its factorization.

115215043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27965.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 115215043 is about 10733.8270435106. The cubic root of 115215043 is about 486.5973380214.

Adding to 115215043 its reverse (340512511), we get a palindrome (455727554).

The spelling of 115215043 in words is "one hundred fifteen million, two hundred fifteen thousand, forty-three".