13226100022555 has 32 divisors (see below), whose sum is σ = 18239844412800. Its totient is φ = 9018824850432.

The previous prime is 13226100022477. The next prime is 13226100022561. The reversal of 13226100022555 is 55522000162231.

It is a cyclic number.

It is not a de Polignac number, because 13226100022555 - 2¹⁵ = 13226099989787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13226100022555.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5649159 + ... + 7639711.

It is an arithmetic number, because the mean of its divisors is an integer number (569995137900).

Almost surely, 2^{13226100022555} is an apocalyptic number.

13226100022555 is a deficient number, since it is larger than the sum of its proper divisors (5013744390245).

13226100022555 is a wasteful number, since it uses less digits than its factorization.

13226100022555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991623.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 13226100022555 its reverse (55522000162231), we get a palindrome (68748100184786).

The spelling of 13226100022555 in words is "thirteen trillion, two hundred twenty-six billion, one hundred million, twenty-two thousand, five hundred fifty-five".