13405422122055 has 12 divisors (see below), whose sum is σ = 23236065011640. Its totient is φ = 7149558465072.

The previous prime is 13405422122051. The next prime is 13405422122149. The reversal of 13405422122055 is 55022122450431.

13405422122055 is a `hidden beast` number, since 1 + 3 + 4 + 0 + 5 + 422 + 1 + 220 + 5 + 5 = 666.

It is not a de Polignac number, because 13405422122055 - 2² = 13405422122051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13405422122051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148949134645 + ... + 148949134734.

It is an arithmetic number, because the mean of its divisors is an integer number (1936338750970).

Almost surely, 2^{13405422122055} is an apocalyptic number.

13405422122055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13405422122055 is a deficient number, since it is larger than the sum of its proper divisors (9830642889585).

13405422122055 is a wasteful number, since it uses less digits than its factorization.

13405422122055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297898269390 (or 297898269387 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 13405422122055 its reverse (55022122450431), we get a palindrome (68427544572486).

The spelling of 13405422122055 in words is "thirteen trillion, four hundred five billion, four hundred twenty-two million, one hundred twenty-two thousand, fifty-five".