13345669123455 has 32 divisors (see below), whose sum is σ = 21461816608704. Its totient is φ = 7081517454336.

The previous prime is 13345669123403. The next prime is 13345669123459. The reversal of 13345669123455 is 55432196654331.

It is a happy number.

It is not a de Polignac number, because 13345669123455 - 2⁷ = 13345669123327 is a prime.

It is a super-2 number, since 2×13345669123455² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13345669123395 and 13345669123404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13345669123459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 440739 + ... + 5185131.

It is an arithmetic number, because the mean of its divisors is an integer number (670681769022).

Almost surely, 2^{13345669123455} is an apocalyptic number.

13345669123455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13345669123455 is a deficient number, since it is larger than the sum of its proper divisors (8116147485249).

13345669123455 is a wasteful number, since it uses less digits than its factorization.

13345669123455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4745355.

The product of its digits is 34992000, while the sum is 57.

The spelling of 13345669123455 in words is "thirteen trillion, three hundred forty-five billion, six hundred sixty-nine million, one hundred twenty-three thousand, four hundred fifty-five".