13311021330077 has 2 divisors, whose sum is σ = 13311021330078. Its totient is φ = 13311021330076.

The previous prime is 13311021330031. The next prime is 13311021330127. The reversal of 13311021330077 is 77003312011331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8062839756196 + 5248181573881 = 2839514^2 + 2290891^2 .

It is a cyclic number.

It is not a de Polignac number, because 13311021330077 - 2¹² = 13311021325981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13311021330007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655510665038 + 6655510665039.

It is an arithmetic number, because the mean of its divisors is an integer number (6655510665039).

Almost surely, 2^{13311021330077} is an apocalyptic number.

It is an amenable number.

13311021330077 is a deficient number, since it is larger than the sum of its proper divisors (1).

13311021330077 is an equidigital number, since it uses as much as digits as its factorization.

13311021330077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 32.

The spelling of 13311021330077 in words is "thirteen trillion, three hundred eleven billion, twenty-one million, three hundred thirty thousand, seventy-seven".