115811241 has 32 divisors (see below), whose sum is σ = 190848000. Its totient is φ = 60830784.

The previous prime is 115811231. The next prime is 115811281. The reversal of 115811241 is 142118511.

It is not a de Polignac number, because 115811241 - 2¹³ = 115803049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115811231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76510 + ... + 78008.

It is an arithmetic number, because the mean of its divisors is an integer number (5964000).

Almost surely, 2^115811241 is an apocalyptic number.

It is an amenable number.

115811241 is a deficient number, since it is larger than the sum of its proper divisors (75036759).

115811241 is a wasteful number, since it uses less digits than its factorization.

115811241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805.

The product of its digits is 320, while the sum is 24.

The square root of 115811241 is about 10761.5631299547. The cubic root of 115811241 is about 487.4352187424.

Adding to 115811241 its reverse (142118511), we get a palindrome (257929752).

The spelling of 115811241 in words is "one hundred fifteen million, eight hundred eleven thousand, two hundred forty-one".