13155211113445 has 32 divisors (see below), whose sum is σ = 16188505320960. Its totient is φ = 10256552640000.

The previous prime is 13155211113413. The next prime is 13155211113449. The reversal of 13155211113445 is 54431111255131.

It is not a de Polignac number, because 13155211113445 - 2⁵ = 13155211113413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13155211113449) 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, 1508793796 + ... + 1508802514.

It is an arithmetic number, because the mean of its divisors is an integer number (505890791280).

Almost surely, 2^{13155211113445} is an apocalyptic number.

It is an amenable number.

13155211113445 is a deficient number, since it is larger than the sum of its proper divisors (3033294207515).

13155211113445 is a wasteful number, since it uses less digits than its factorization.

13155211113445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15757.

The product of its digits is 36000, while the sum is 37.

Adding to 13155211113445 its reverse (54431111255131), we get a palindrome (67586322368576).

The spelling of 13155211113445 in words is "thirteen trillion, one hundred fifty-five billion, two hundred eleven million, one hundred thirteen thousand, four hundred forty-five".