26912808065011 has 16 divisors (see below), whose sum is σ = 30904832246400. Its totient is φ = 23178365784000.

The previous prime is 26912808064979. The next prime is 26912808065027. The reversal of 26912808065011 is 11056080821962.

It is a cyclic number.

It is not a de Polignac number, because 26912808065011 - 2⁵ = 26912808064979 is a prime.

It is a super-2 number, since 2×26912808065011² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26912808065041) 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, 73632111 + ... + 73996711.

It is an arithmetic number, because the mean of its divisors is an integer number (1931552015400).

Almost surely, 2^{26912808065011} is an apocalyptic number.

26912808065011 is a deficient number, since it is larger than the sum of its proper divisors (3992024181389).

26912808065011 is a wasteful number, since it uses less digits than its factorization.

26912808065011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717810.

The product of its (nonzero) digits is 414720, while the sum is 49.

Adding to 26912808065011 its reverse (11056080821962), we get a palindrome (37968888886973).

The spelling of 26912808065011 in words is "twenty-six trillion, nine hundred twelve billion, eight hundred eight million, sixty-five thousand, eleven".