13105401220455 has 16 divisors (see below), whose sum is σ = 20987549681760. Its totient is φ = 6983244741248.

The previous prime is 13105401220441. The next prime is 13105401220481. The reversal of 13105401220455 is 55402210450131.

It is a cyclic number.

It is not a de Polignac number, because 13105401220455 - 2⁶ = 13105401220391 is a prime.

It is a super-2 number, since 2×13105401220455² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393893832 + ... + 393927101.

It is an arithmetic number, because the mean of its divisors is an integer number (1311721855110).

Almost surely, 2^{13105401220455} is an apocalyptic number.

13105401220455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13105401220455 is a deficient number, since it is larger than the sum of its proper divisors (7882148461305).

13105401220455 is a wasteful number, since it uses less digits than its factorization.

13105401220455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787822050.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 13105401220455 its reverse (55402210450131), we get a palindrome (68507611670586).

The spelling of 13105401220455 in words is "thirteen trillion, one hundred five billion, four hundred one million, two hundred twenty thousand, four hundred fifty-five".