26620533113 has 2 divisors, whose sum is σ = 26620533114. Its totient is φ = 26620533112.

The previous prime is 26620533097. The next prime is 26620533131. The reversal of 26620533113 is 31133502662.

Together with next prime (26620533131) 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., 15764560249 + 10855972864 = 125557^2 + 104192^2 .

It is a cyclic number.

It is not a de Polignac number, because 26620533113 - 2⁴ = 26620533097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26620533113.

It is not a weakly prime, because it can be changed into another prime (26620533133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13310266556 + 13310266557.

It is an arithmetic number, because the mean of its divisors is an integer number (13310266557).

Almost surely, 2^26620533113 is an apocalyptic number.

It is an amenable number.

26620533113 is a deficient number, since it is larger than the sum of its proper divisors (1).

26620533113 is an equidigital number, since it uses as much as digits as its factorization.

26620533113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 32.

The spelling of 26620533113 in words is "twenty-six billion, six hundred twenty million, five hundred thirty-three thousand, one hundred thirteen".