26625631205213 has 4 divisors (see below), whose sum is σ = 26625942588768. Its totient is φ = 26625319821660.

The previous prime is 26625631205209. The next prime is 26625631205233. The reversal of 26625631205213 is 31250213652662.

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 not a de Polignac number, because 26625631205213 - 2² = 26625631205209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26625631205233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155563481 + ... + 155734542.

It is an arithmetic number, because the mean of its divisors is an integer number (6656485647192).

Almost surely, 2^{26625631205213} is an apocalyptic number.

It is an amenable number.

26625631205213 is a deficient number, since it is larger than the sum of its proper divisors (311383555).

26625631205213 is an equidigital number, since it uses as much as digits as its factorization.

26625631205213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311383554.

The product of its (nonzero) digits is 777600, while the sum is 44.

Adding to 26625631205213 its reverse (31250213652662), we get a palindrome (57875844857875).

The spelling of 26625631205213 in words is "twenty-six trillion, six hundred twenty-five billion, six hundred thirty-one million, two hundred five thousand, two hundred thirteen".