26306504051 has 2 divisors, whose sum is σ = 26306504052. Its totient is φ = 26306504050.

The previous prime is 26306504047. The next prime is 26306504053. The reversal of 26306504051 is 15040560362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26306504051 - 2² = 26306504047 is a prime.

It is a Sophie Germain prime.

Together with 26306504053, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 26306503999 and 26306504017.

It is not a weakly prime, because it can be changed into another prime (26306504053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13153252025 + 13153252026.

It is an arithmetic number, because the mean of its divisors is an integer number (13153252026).

Almost surely, 2^26306504051 is an apocalyptic number.

26306504051 is a deficient number, since it is larger than the sum of its proper divisors (1).

26306504051 is an equidigital number, since it uses as much as digits as its factorization.

26306504051 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 26306504051 in words is "twenty-six billion, three hundred six million, five hundred four thousand, fifty-one".