115503843 has 16 divisors (see below), whose sum is σ = 189545216. Its totient is φ = 60924960.

The previous prime is 115503841. The next prime is 115503853. The reversal of 115503843 is 348305511.

It is not a de Polignac number, because 115503843 - 2¹ = 115503841 is a prime.

It is a super-2 number, since 2×115503843² = 26682275495537298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115503843.

It is not an unprimeable number, because it can be changed into a prime (115503841) 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, 211273 + ... + 211818.

It is an arithmetic number, because the mean of its divisors is an integer number (11846576).

Almost surely, 2^115503843 is an apocalyptic number.

115503843 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

115503843 is a deficient number, since it is larger than the sum of its proper divisors (74041373).

115503843 is a wasteful number, since it uses less digits than its factorization.

115503843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423114.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 115503843 is about 10747.2714211562. The cubic root of 115503843 is about 487.0035698614.

The spelling of 115503843 in words is "one hundred fifteen million, five hundred three thousand, eight hundred forty-three".