26543416121 has 8 divisors (see below), whose sum is σ = 27162891360. Its totient is φ = 25924040352.

The previous prime is 26543416117. The next prime is 26543416129. The reversal of 26543416121 is 12161434562.

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 26543416121 - 2² = 26543416117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26543416129) 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, 1047821 + ... + 1072853.

It is an arithmetic number, because the mean of its divisors is an integer number (3395361420).

Almost surely, 2^26543416121 is an apocalyptic number.

It is an amenable number.

26543416121 is a deficient number, since it is larger than the sum of its proper divisors (619475239).

26543416121 is a wasteful number, since it uses less digits than its factorization.

26543416121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49735.

The product of its digits is 34560, while the sum is 35.

The spelling of 26543416121 in words is "twenty-six billion, five hundred forty-three million, four hundred sixteen thousand, one hundred twenty-one".