13110311214545 has 4 divisors (see below), whose sum is σ = 15732373457460. Its totient is φ = 10488248971632.

The previous prime is 13110311214503. The next prime is 13110311214569. The reversal of 13110311214545 is 54541211301131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5887552839184 + 7222758375361 = 2426428^2 + 2687519^2 .

It is a cyclic number.

It is not a de Polignac number, because 13110311214545 - 2¹² = 13110311210449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1311031121450 + ... + 1311031121459.

It is an arithmetic number, because the mean of its divisors is an integer number (3933093364365).

Almost surely, 2^{13110311214545} is an apocalyptic number.

It is an amenable number.

13110311214545 is a deficient number, since it is larger than the sum of its proper divisors (2622062242915).

13110311214545 is an equidigital number, since it uses as much as digits as its factorization.

13110311214545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622062242914.

The product of its (nonzero) digits is 7200, while the sum is 32.

Adding to 13110311214545 its reverse (54541211301131), we get a palindrome (67651522515676).

The spelling of 13110311214545 in words is "thirteen trillion, one hundred ten billion, three hundred eleven million, two hundred fourteen thousand, five hundred forty-five".