115051543 has 4 divisors (see below), whose sum is σ = 120053808. Its totient is φ = 110049280.

The previous prime is 115051523. The next prime is 115051553. The reversal of 115051543 is 345150511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115051543 - 2⁵ = 115051511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115051513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2501098 + ... + 2501143.

It is an arithmetic number, because the mean of its divisors is an integer number (30013452).

Almost surely, 2^115051543 is an apocalyptic number.

115051543 is a deficient number, since it is larger than the sum of its proper divisors (5002265).

115051543 is an equidigital number, since it uses as much as digits as its factorization.

115051543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5002264.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 115051543 is about 10726.2082303114. The cubic root of 115051543 is about 486.3670546432.

The spelling of 115051543 in words is "one hundred fifteen million, fifty-one thousand, five hundred forty-three".