26400455113 has 2 divisors, whose sum is σ = 26400455114. Its totient is φ = 26400455112.

The previous prime is 26400455111. The next prime is 26400455131. The reversal of 26400455113 is 31155400462.

It is a happy number.

Together with next prime (26400455131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19098410809 + 7302044304 = 138197^2 + 85452^2 .

It is a cyclic number.

It is not a de Polignac number, because 26400455113 - 2¹ = 26400455111 is a prime.

Together with 26400455111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (26400455111) by changing a digit.

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 as a sum of consecutive naturals, namely, 13200227556 + 13200227557.

It is an arithmetic number, because the mean of its divisors is an integer number (13200227557).

Almost surely, 2^26400455113 is an apocalyptic number.

It is an amenable number.

26400455113 is a deficient number, since it is larger than the sum of its proper divisors (1).

26400455113 is an equidigital number, since it uses as much as digits as its factorization.

26400455113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 26400455113 its reverse (31155400462), we get a palindrome (57555855575).

The spelling of 26400455113 in words is "twenty-six billion, four hundred million, four hundred fifty-five thousand, one hundred thirteen".