13320111322249 has 2 divisors, whose sum is σ = 13320111322250. Its totient is φ = 13320111322248.

The previous prime is 13320111322099. The next prime is 13320111322267. The reversal of 13320111322249 is 94222311102331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12082277065849 + 1237834256400 = 3475957^2 + 1112580^2 .

It is a cyclic number.

It is not a de Polignac number, because 13320111322249 - 2³¹ = 13317963838601 is a prime.

It is not a weakly prime, because it can be changed into another prime (13320111322279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660055661124 + 6660055661125.

It is an arithmetic number, because the mean of its divisors is an integer number (6660055661125).

Almost surely, 2^{13320111322249} is an apocalyptic number.

It is an amenable number.

13320111322249 is a deficient number, since it is larger than the sum of its proper divisors (1).

13320111322249 is an equidigital number, since it uses as much as digits as its factorization.

13320111322249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 13320111322249 in words is "thirteen trillion, three hundred twenty billion, one hundred eleven million, three hundred twenty-two thousand, two hundred forty-nine".