26045810503 has 2 divisors, whose sum is σ = 26045810504. Its totient is φ = 26045810502.

The previous prime is 26045810491. The next prime is 26045810543. The reversal of 26045810503 is 30501854062.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26045810503 is a prime.

It is a super-2 number, since 2×26045810503² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26045810543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13022905251 + 13022905252.

It is an arithmetic number, because the mean of its divisors is an integer number (13022905252).

Almost surely, 2^26045810503 is an apocalyptic number.

26045810503 is a deficient number, since it is larger than the sum of its proper divisors (1).

26045810503 is an equidigital number, since it uses as much as digits as its factorization.

26045810503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 26045810503 in words is "twenty-six billion, forty-five million, eight hundred ten thousand, five hundred three".