115404081 has 16 divisors (see below), whose sum is σ = 174431040. Its totient is φ = 67279680.

The previous prime is 115404071. The next prime is 115404127. The reversal of 115404081 is 180404511.

It is not a de Polignac number, because 115404081 - 2⁵ = 115404049 is a prime.

It is a super-2 number, since 2×115404081² = 26636203822909122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115404031) 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, 77130 + ... + 78611.

It is an arithmetic number, because the mean of its divisors is an integer number (10901940).

Almost surely, 2^115404081 is an apocalyptic number.

It is an amenable number.

115404081 is a deficient number, since it is larger than the sum of its proper divisors (59026959).

115404081 is a wasteful number, since it uses less digits than its factorization.

115404081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155776.

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 115404081 is about 10742.6291474666. The cubic root of 115404081 is about 486.8633192768.

Adding to 115404081 its reverse (180404511), we get a palindrome (295808592).

The spelling of 115404081 in words is "one hundred fifteen million, four hundred four thousand, eighty-one".