26516256005 has 32 divisors (see below), whose sum is σ = 34239314304. Its totient is φ = 19641194496.

The previous prime is 26516255993. The next prime is 26516256047. The reversal of 26516256005 is 50065261562.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 26516256005 - 2⁸ = 26516255749 is a prime.

It is a super-2 number, since 2×26516256005² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26516256005.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5026049 + ... + 5031321.

It is an arithmetic number, because the mean of its divisors is an integer number (1069978572).

Almost surely, 2^26516256005 is an apocalyptic number.

It is an amenable number.

26516256005 is a deficient number, since it is larger than the sum of its proper divisors (7723058299).

26516256005 is a wasteful number, since it uses less digits than its factorization.

26516256005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6245.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 26516256005 in words is "twenty-six billion, five hundred sixteen million, two hundred fifty-six thousand, five".