26228538662961 has 16 divisors (see below), whose sum is σ = 35122133680704. Its totient is φ = 17410374918144.

The previous prime is 26228538662927. The next prime is 26228538663013. The reversal of 26228538662961 is 16926683582262.

It is a happy number.

It is not a de Polignac number, because 26228538662961 - 2⁶ = 26228538662897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26228538662892 and 26228538662901.

It is not an unprimeable number, because it can be changed into a prime (26228538672961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5262991 + ... + 8952996.

It is an arithmetic number, because the mean of its divisors is an integer number (2195133355044).

Almost surely, 2^{26228538662961} is an apocalyptic number.

It is an amenable number.

26228538662961 is a deficient number, since it is larger than the sum of its proper divisors (8893595017743).

26228538662961 is a wasteful number, since it uses less digits than its factorization.

26228538662961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14218640.

The product of its digits is 179159040, while the sum is 66.

The spelling of 26228538662961 in words is "twenty-six trillion, two hundred twenty-eight billion, five hundred thirty-eight million, six hundred sixty-two thousand, nine hundred sixty-one".