115453541433543 has 4 divisors (see below), whose sum is σ = 153938055244728. Its totient is φ = 76969027622360.

The previous prime is 115453541433511. The next prime is 115453541433557. The reversal of 115453541433543 is 345334145354511.

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 115453541433543 - 2⁵ = 115453541433511 is a prime.

It is a super-3 number, since 3×115453541433543³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115453541433443) 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, 19242256905588 + ... + 19242256905593.

It is an arithmetic number, because the mean of its divisors is an integer number (38484513811182).

Almost surely, 2^{115453541433543} is an apocalyptic number.

115453541433543 is a deficient number, since it is larger than the sum of its proper divisors (38484513811185).

115453541433543 is an equidigital number, since it uses as much as digits as its factorization.

115453541433543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38484513811184.

The product of its digits is 12960000, while the sum is 51.

The spelling of 115453541433543 in words is "one hundred fifteen trillion, four hundred fifty-three billion, five hundred forty-one million, four hundred thirty-three thousand, five hundred forty-three".