115811448 has 32 divisors (see below), whose sum is σ = 292401360. Its totient is φ = 38220800.

The previous prime is 115811411. The next prime is 115811453. The reversal of 115811448 is 844118511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21465 + ... + 26312.

Almost surely, 2^115811448 is an apocalyptic number.

It is an amenable number.

115811448 is an abundant number, since it is smaller than the sum of its proper divisors (176589912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115811448 is a wasteful number, since it uses less digits than its factorization.

115811448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47887 (or 47883 counting only the distinct ones).

The product of its digits is 5120, while the sum is 33.

The square root of 115811448 is about 10761.5727475123. The cubic root of 115811448 is about 487.4355091547.

Adding to 115811448 its reverse (844118511), we get a palindrome (959929959).

The spelling of 115811448 in words is "one hundred fifteen million, eight hundred eleven thousand, four hundred forty-eight".