26845191751751 has 4 divisors (see below), whose sum is σ = 26875663025904. Its totient is φ = 26814720477600.

The previous prime is 26845191751723. The next prime is 26845191751789. The reversal of 26845191751751 is 15715719154862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26845191751751 - 2¹⁴ = 26845191735367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26845194751751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15235635755 + ... + 15235637516.

It is an arithmetic number, because the mean of its divisors is an integer number (6718915756476).

Almost surely, 2^{26845191751751} is an apocalyptic number.

26845191751751 is a deficient number, since it is larger than the sum of its proper divisors (30471274153).

26845191751751 is an equidigital number, since it uses as much as digits as its factorization.

26845191751751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30471274152.

The product of its digits is 21168000, while the sum is 62.

The spelling of 26845191751751 in words is "twenty-six trillion, eight hundred forty-five billion, one hundred ninety-one million, seven hundred fifty-one thousand, seven hundred fifty-one".