26821160123 has 2 divisors, whose sum is σ = 26821160124. Its totient is φ = 26821160122.

The previous prime is 26821160077. The next prime is 26821160129. The reversal of 26821160123 is 32106112862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26821160123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26821160123.

It is not a weakly prime, because it can be changed into another prime (26821160129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13410580061 + 13410580062.

It is an arithmetic number, because the mean of its divisors is an integer number (13410580062).

Almost surely, 2^26821160123 is an apocalyptic number.

26821160123 is a deficient number, since it is larger than the sum of its proper divisors (1).

26821160123 is an equidigital number, since it uses as much as digits as its factorization.

26821160123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

Adding to 26821160123 its reverse (32106112862), we get a palindrome (58927272985).

The spelling of 26821160123 in words is "twenty-six billion, eight hundred twenty-one million, one hundred sixty thousand, one hundred twenty-three".