13215144341245 has 32 divisors (see below), whose sum is σ = 19846404864000. Its totient is φ = 8206688754240.

The previous prime is 13215144341221. The next prime is 13215144341261. The reversal of 13215144341245 is 54214344151231.

It is not a de Polignac number, because 13215144341245 - 2⁷ = 13215144341117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13215144341198 and 13215144341207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65155495 + ... + 65358004.

It is an arithmetic number, because the mean of its divisors is an integer number (620200152000).

Almost surely, 2^{13215144341245} is an apocalyptic number.

It is an amenable number.

13215144341245 is a deficient number, since it is larger than the sum of its proper divisors (6631260522755).

13215144341245 is a wasteful number, since it uses less digits than its factorization.

13215144341245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130513785.

The product of its digits is 230400, while the sum is 40.

Adding to 13215144341245 its reverse (54214344151231), we get a palindrome (67429488492476).

The spelling of 13215144341245 in words is "thirteen trillion, two hundred fifteen billion, one hundred forty-four million, three hundred forty-one thousand, two hundred forty-five".