26213300550565 has 16 divisors (see below), whose sum is σ = 31750684181568. Its totient is φ = 20774167261696.

The previous prime is 26213300550557. The next prime is 26213300550617. The reversal of 26213300550565 is 56505500331262.

It is a cyclic number.

It is not a de Polignac number, because 26213300550565 - 2³ = 26213300550557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23247669 + ... + 24349141.

It is an arithmetic number, because the mean of its divisors is an integer number (1984417761348).

Almost surely, 2^{26213300550565} is an apocalyptic number.

It is an amenable number.

26213300550565 is a deficient number, since it is larger than the sum of its proper divisors (5537383631003).

26213300550565 is a wasteful number, since it uses less digits than its factorization.

26213300550565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146068.

The product of its (nonzero) digits is 810000, while the sum is 43.

The spelling of 26213300550565 in words is "twenty-six trillion, two hundred thirteen billion, three hundred million, five hundred fifty thousand, five hundred sixty-five".