26805074330553 has 4 divisors (see below), whose sum is σ = 35740099107408. Its totient is φ = 17870049553700.

The previous prime is 26805074330537. The next prime is 26805074330581. The reversal of 26805074330553 is 35503347050862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26805074330553 - 2⁴ = 26805074330537 is a prime.

It is a super-2 number, since 2×26805074330553² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26805074330496 and 26805074330505.

It is not an unprimeable number, because it can be changed into a prime (26805074320553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4467512388423 + ... + 4467512388428.

It is an arithmetic number, because the mean of its divisors is an integer number (8935024776852).

Almost surely, 2^{26805074330553} is an apocalyptic number.

It is an amenable number.

26805074330553 is a deficient number, since it is larger than the sum of its proper divisors (8935024776855).

26805074330553 is an equidigital number, since it uses as much as digits as its factorization.

26805074330553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8935024776854.

The product of its (nonzero) digits is 9072000, while the sum is 51.

The spelling of 26805074330553 in words is "twenty-six trillion, eight hundred five billion, seventy-four million, three hundred thirty thousand, five hundred fifty-three".