13011221313619 has 2 divisors, whose sum is σ = 13011221313620. Its totient is φ = 13011221313618.

The previous prime is 13011221313529. The next prime is 13011221313641. The reversal of 13011221313619 is 91631312211031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13011221313619 - 2⁴³ = 4215128291411 is a prime.

It is a super-2 number, since 2×13011221313619² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13011221383619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6505610656809 + 6505610656810.

It is an arithmetic number, because the mean of its divisors is an integer number (6505610656810).

Almost surely, 2^{13011221313619} is an apocalyptic number.

13011221313619 is a deficient number, since it is larger than the sum of its proper divisors (1).

13011221313619 is an equidigital number, since it uses as much as digits as its factorization.

13011221313619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 34.

The spelling of 13011221313619 in words is "thirteen trillion, eleven billion, two hundred twenty-one million, three hundred thirteen thousand, six hundred nineteen".