26203144113 has 8 divisors (see below), whose sum is σ = 38819472800. Its totient is φ = 17468762724.

The previous prime is 26203144091. The next prime is 26203144129. The reversal of 26203144113 is 31144130262.

It is a happy number.

26203144113 is a `hidden beast` number, since 2 + 6 + 203 + 1 + 441 + 13 = 666.

It is not a de Polignac number, because 26203144113 - 2⁵ = 26203144081 is a prime.

It is a super-2 number, since 2×26203144113² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 970486819 = 26203144113 / (2 + 6 + 2 + 0 + 3 + 1 + 4 + 4 + 1 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26203144183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485243383 + ... + 485243436.

It is an arithmetic number, because the mean of its divisors is an integer number (4852434100).

Almost surely, 2^26203144113 is an apocalyptic number.

It is an amenable number.

26203144113 is a deficient number, since it is larger than the sum of its proper divisors (12616328687).

26203144113 is an equidigital number, since it uses as much as digits as its factorization.

26203144113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970486828 (or 970486822 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 26203144113 its reverse (31144130262), we get a palindrome (57347274375).

The spelling of 26203144113 in words is "twenty-six billion, two hundred three million, one hundred forty-four thousand, one hundred thirteen".