11626455826399 has 2 divisors, whose sum is σ = 11626455826400. Its totient is φ = 11626455826398.

The previous prime is 11626455826397. The next prime is 11626455826441. The reversal of 11626455826399 is 99362855462611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11626455826399 - 2¹ = 11626455826397 is a prime.

Together with 11626455826397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11626455826393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5813227913199 + 5813227913200.

It is an arithmetic number, because the mean of its divisors is an integer number (5813227913200).

Almost surely, 2^{11626455826399} is an apocalyptic number.

11626455826399 is a deficient number, since it is larger than the sum of its proper divisors (1).

11626455826399 is an equidigital number, since it uses as much as digits as its factorization.

11626455826399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 167961600, while the sum is 67.

The spelling of 11626455826399 in words is "eleven trillion, six hundred twenty-six billion, four hundred fifty-five million, eight hundred twenty-six thousand, three hundred ninety-nine".