26106974503 has 2 divisors, whose sum is σ = 26106974504. Its totient is φ = 26106974502.

The previous prime is 26106974501. The next prime is 26106974627. The reversal of 26106974503 is 30547960162.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26106974503 - 2¹ = 26106974501 is a prime.

Together with 26106974501, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 26106974503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26106974501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13053487251 + 13053487252.

It is an arithmetic number, because the mean of its divisors is an integer number (13053487252).

Almost surely, 2^26106974503 is an apocalyptic number.

26106974503 is a deficient number, since it is larger than the sum of its proper divisors (1).

26106974503 is an equidigital number, since it uses as much as digits as its factorization.

26106974503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 26106974503 in words is "twenty-six billion, one hundred six million, nine hundred seventy-four thousand, five hundred three".