115243275543 has 16 divisors (see below), whose sum is σ = 167632972416. Its totient is φ = 69841747040.

The previous prime is 115243275509. The next prime is 115243275569. The reversal of 115243275543 is 345572342511.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115243275543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115243275495 and 115243275504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115243275503) 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, 1137196 + ... + 1234382.

It is an arithmetic number, because the mean of its divisors is an integer number (10477060776).

Almost surely, 2^115243275543 is an apocalyptic number.

115243275543 is a deficient number, since it is larger than the sum of its proper divisors (52389696873).

115243275543 is a wasteful number, since it uses less digits than its factorization.

115243275543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133134.

The product of its digits is 504000, while the sum is 42.

The spelling of 115243275543 in words is "one hundred fifteen billion, two hundred forty-three million, two hundred seventy-five thousand, five hundred forty-three".