26268502556 has 6 divisors (see below), whose sum is σ = 45969879480. Its totient is φ = 13134251276.

The previous prime is 26268502549. The next prime is 26268502597. The reversal of 26268502556 is 65520586262.

It is a self number, because there is not a number n which added to its sum of digits gives 26268502556.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3283562816 + ... + 3283562823.

It is an arithmetic number, because the mean of its divisors is an integer number (7661646580).

Almost surely, 2^26268502556 is an apocalyptic number.

It is an amenable number.

26268502556 is a deficient number, since it is larger than the sum of its proper divisors (19701376924).

26268502556 is a wasteful number, since it uses less digits than its factorization.

26268502556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6567125643 (or 6567125641 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 47.

The spelling of 26268502556 in words is "twenty-six billion, two hundred sixty-eight million, five hundred two thousand, five hundred fifty-six".