26745388901 has 16 divisors (see below), whose sum is σ = 33356759040. Its totient is φ = 20833151280.

The previous prime is 26745388897. The next prime is 26745388937. The reversal of 26745388901 is 10988354762.

It is a cyclic number.

It is not a de Polignac number, because 26745388901 - 2² = 26745388897 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26745388991) 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 15 ways as a sum of consecutive naturals, for example, 161360 + ... + 282006.

It is an arithmetic number, because the mean of its divisors is an integer number (2084797440).

It is a 1-persistent number, because it is pandigital, but 2⋅26745388901 = 53490777802 is not.

Almost surely, 2^26745388901 is an apocalyptic number.

It is an amenable number.

26745388901 is a deficient number, since it is larger than the sum of its proper divisors (6611370139).

26745388901 is a wasteful number, since it uses less digits than its factorization.

26745388901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123544.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 26745388901 in words is "twenty-six billion, seven hundred forty-five million, three hundred eighty-eight thousand, nine hundred one".