115440077487543 has 16 divisors (see below), whose sum is σ = 154617856522080. Its totient is φ = 76611286417536.

The previous prime is 115440077487491. The next prime is 115440077487577. The reversal of 115440077487543 is 345784770044511.

It is not a de Polignac number, because 115440077487543 - 2³⁴ = 115422897618359 is a prime.

It is a super-2 number, since 2×115440077487543² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115440077487143) 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, 9769680 + ... + 18064517.

It is an arithmetic number, because the mean of its divisors is an integer number (9663616032630).

Almost surely, 2^{115440077487543} is an apocalyptic number.

115440077487543 is a deficient number, since it is larger than the sum of its proper divisors (39177779034537).

115440077487543 is a wasteful number, since it uses less digits than its factorization.

115440077487543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27840466.

The product of its (nonzero) digits is 52684800, while the sum is 60.

The spelling of 115440077487543 in words is "one hundred fifteen trillion, four hundred forty billion, seventy-seven million, four hundred eighty-seven thousand, five hundred forty-three".