115543421545305 has 32 divisors (see below), whose sum is σ = 199347758781696. Its totient is φ = 56809327935744.

The previous prime is 115543421545267. The next prime is 115543421545379. The reversal of 115543421545305 is 503545124345511.

It is not a de Polignac number, because 115543421545305 - 2⁷ = 115543421545177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 383115997 + ... + 383417466.

It is an arithmetic number, because the mean of its divisors is an integer number (6229617461928).

Almost surely, 2^{115543421545305} is an apocalyptic number.

115543421545305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115543421545305 is a deficient number, since it is larger than the sum of its proper divisors (83804337236391).

115543421545305 is a wasteful number, since it uses less digits than its factorization.

115543421545305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766534257.

The product of its (nonzero) digits is 3600000, while the sum is 48.

The spelling of 115543421545305 in words is "one hundred fifteen trillion, five hundred forty-three billion, four hundred twenty-one million, five hundred forty-five thousand, three hundred five".