26320406211 has 24 divisors (see below), whose sum is σ = 41801170944. Its totient is φ = 15826149360.

The previous prime is 26320406197. The next prime is 26320406219. The reversal of 26320406211 is 11260402362.

26320406211 is a `hidden beast` number, since 2 + 6 + 32 + 0 + 4 + 0 + 621 + 1 = 666.

It is not a de Polignac number, because 26320406211 - 2²⁶ = 26253297347 is a prime.

It is a super-2 number, since 2×26320406211² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26320406219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1034131 + ... + 1059276.

It is an arithmetic number, because the mean of its divisors is an integer number (1741715456).

Almost surely, 2^26320406211 is an apocalyptic number.

26320406211 is a deficient number, since it is larger than the sum of its proper divisors (15480764733).

26320406211 is a wasteful number, since it uses less digits than its factorization.

26320406211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093551 (or 2093548 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 26320406211 its reverse (11260402362), we get a palindrome (37580808573).

The spelling of 26320406211 in words is "twenty-six billion, three hundred twenty million, four hundred six thousand, two hundred eleven".