13155323442445 has 16 divisors (see below), whose sum is σ = 15857710214400. Its totient is φ = 10476809659584.

The previous prime is 13155323442433. The next prime is 13155323442467. The reversal of 13155323442445 is 54424432355131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13155323442445 - 2⁵ = 13155323442413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13155323442395 and 13155323442404.

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, 5121045 + ... + 7248154.

It is an arithmetic number, because the mean of its divisors is an integer number (991106888400).

Almost surely, 2^{13155323442445} is an apocalyptic number.

It is an amenable number.

13155323442445 is a deficient number, since it is larger than the sum of its proper divisors (2702386771955).

13155323442445 is a wasteful number, since it uses less digits than its factorization.

13155323442445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12370164.

The product of its digits is 3456000, while the sum is 46.

Adding to 13155323442445 its reverse (54424432355131), we get a palindrome (67579755797576).

The spelling of 13155323442445 in words is "thirteen trillion, one hundred fifty-five billion, three hundred twenty-three million, four hundred forty-two thousand, four hundred forty-five".