26543412043 has 8 divisors (see below), whose sum is σ = 28524264912. Its totient is φ = 24609167616.

The previous prime is 26543411989. The next prime is 26543412047. The reversal of 26543412043 is 34021434562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26543412043 - 2²⁵ = 26509857611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26543412047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11650930 + ... + 11653207.

It is an arithmetic number, because the mean of its divisors is an integer number (3565533114).

Almost surely, 2^26543412043 is an apocalyptic number.

26543412043 is a deficient number, since it is larger than the sum of its proper divisors (1980852869).

26543412043 is a wasteful number, since it uses less digits than its factorization.

26543412043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23304221.

The product of its (nonzero) digits is 69120, while the sum is 34.

The spelling of 26543412043 in words is "twenty-six billion, five hundred forty-three million, four hundred twelve thousand, forty-three".