26311116523 has 2 divisors, whose sum is σ = 26311116524. Its totient is φ = 26311116522.

The previous prime is 26311116497. The next prime is 26311116589. The reversal of 26311116523 is 32561111362.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26311116523 is a prime.

It is not a weakly prime, because it can be changed into another prime (26311186523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13155558261 + 13155558262.

It is an arithmetic number, because the mean of its divisors is an integer number (13155558262).

Almost surely, 2^26311116523 is an apocalyptic number.

26311116523 is a deficient number, since it is larger than the sum of its proper divisors (1).

26311116523 is an equidigital number, since it uses as much as digits as its factorization.

26311116523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 31.

Adding to 26311116523 its reverse (32561111362), we get a palindrome (58872227885).

The spelling of 26311116523 in words is "twenty-six billion, three hundred eleven million, one hundred sixteen thousand, five hundred twenty-three".