26313122403 has 10 divisors (see below), whose sum is σ = 39307257044. Its totient is φ = 17542081548.

The previous prime is 26313122399. The next prime is 26313122411. The reversal of 26313122403 is 30422131362.

26313122403 is a `hidden beast` number, since 2 + 631 + 3 + 1 + 2 + 24 + 0 + 3 = 666.

It is not a de Polignac number, because 26313122403 - 2² = 26313122399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26313120403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 162426601 + ... + 162426762.

Almost surely, 2^26313122403 is an apocalyptic number.

26313122403 is a deficient number, since it is larger than the sum of its proper divisors (12994134641).

26313122403 is an equidigital number, since it uses as much as digits as its factorization.

26313122403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324853375 (or 324853366 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 26313122403 its reverse (30422131362), we get a palindrome (56735253765).

The spelling of 26313122403 in words is "twenty-six billion, three hundred thirteen million, one hundred twenty-two thousand, four hundred three".