26312133420203 has 4 divisors (see below), whose sum is σ = 26808588767808. Its totient is φ = 25815678072600.

The previous prime is 26312133420187. The next prime is 26312133420259. The reversal of 26312133420203 is 30202433121362.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26312133420203 - 2⁴ = 26312133420187 is a prime.

It is a super-2 number, since 2×26312133420203² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26312133420203.

It is not an unprimeable number, because it can be changed into a prime (26312133425203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248227673723 + ... + 248227673828.

It is an arithmetic number, because the mean of its divisors is an integer number (6702147191952).

Almost surely, 2^{26312133420203} is an apocalyptic number.

26312133420203 is a deficient number, since it is larger than the sum of its proper divisors (496455347605).

26312133420203 is an equidigital number, since it uses as much as digits as its factorization.

26312133420203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496455347604.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 26312133420203 its reverse (30202433121362), we get a palindrome (56514566541565).

The spelling of 26312133420203 in words is "twenty-six trillion, three hundred twelve billion, one hundred thirty-three million, four hundred twenty thousand, two hundred three".