26415213053 has 2 divisors, whose sum is σ = 26415213054. Its totient is φ = 26415213052.

The previous prime is 26415213031. The next prime is 26415213059. The reversal of 26415213053 is 35031251462.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15764560249 + 10650652804 = 125557^2 + 103202^2 .

It is a cyclic number.

It is not a de Polignac number, because 26415213053 - 2³⁴ = 9235343869 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26415213059) 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, 13207606526 + 13207606527.

It is an arithmetic number, because the mean of its divisors is an integer number (13207606527).

Almost surely, 2^26415213053 is an apocalyptic number.

It is an amenable number.

26415213053 is a deficient number, since it is larger than the sum of its proper divisors (1).

26415213053 is an equidigital number, since it uses as much as digits as its factorization.

26415213053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 26415213053 in words is "twenty-six billion, four hundred fifteen million, two hundred thirteen thousand, fifty-three".