26434340320555 has 8 divisors (see below), whose sum is σ = 31721300602992. Its totient is φ = 21147410777568.

The previous prime is 26434340320541. The next prime is 26434340320561. The reversal of 26434340320555 is 55502304343462.

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 26434340320555 - 2²⁵ = 26434306766123 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5748624 + ... + 9269053.

It is an arithmetic number, because the mean of its divisors is an integer number (3965162575374).

Almost surely, 2^{26434340320555} is an apocalyptic number.

26434340320555 is a deficient number, since it is larger than the sum of its proper divisors (5286960282437).

26434340320555 is a wasteful number, since it uses less digits than its factorization.

26434340320555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15369725.

The product of its (nonzero) digits is 5184000, while the sum is 46.

The spelling of 26434340320555 in words is "twenty-six trillion, four hundred thirty-four billion, three hundred forty million, three hundred twenty thousand, five hundred fifty-five".