26538260203 has 80 divisors (see below), whose sum is σ = 35634546080. Its totient is φ = 19587681792.

The previous prime is 26538260201. The next prime is 26538260207. The reversal of 26538260203 is 30206283562.

It is not a de Polignac number, because 26538260203 - 2¹ = 26538260201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26538260201) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 43292125 + ... + 43292737.

It is an arithmetic number, because the mean of its divisors is an integer number (445431826).

Almost surely, 2^26538260203 is an apocalyptic number.

26538260203 is a deficient number, since it is larger than the sum of its proper divisors (9096285877).

26538260203 is an equidigital number, since it uses as much as digits as its factorization.

26538260203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 26538260203 in words is "twenty-six billion, five hundred thirty-eight million, two hundred sixty thousand, two hundred three".