26220123300013 has 4 divisors (see below), whose sum is σ = 26243894945088. Its totient is φ = 26196351654940.

The previous prime is 26220123299959. The next prime is 26220123300017. The reversal of 26220123300013 is 31000332102262.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26220123300013 is a prime.

It is a super-2 number, since 2×26220123300013² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26220123300017) 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, 11885820883 + ... + 11885823088.

It is an arithmetic number, because the mean of its divisors is an integer number (6560973736272).

Almost surely, 2^{26220123300013} is an apocalyptic number.

It is an amenable number.

26220123300013 is a deficient number, since it is larger than the sum of its proper divisors (23771645075).

26220123300013 is a wasteful number, since it uses less digits than its factorization.

26220123300013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23771645074.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 26220123300013 its reverse (31000332102262), we get a palindrome (57220455402275).

The spelling of 26220123300013 in words is "twenty-six trillion, two hundred twenty billion, one hundred twenty-three million, three hundred thousand, thirteen".