13215404110049 has 2 divisors, whose sum is σ = 13215404110050. Its totient is φ = 13215404110048.

The previous prime is 13215404110043. The next prime is 13215404110243. The reversal of 13215404110049 is 94001140451231.

13215404110049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8144944984225 + 5070459125824 = 2853935^2 + 2251768^2 .

It is a cyclic number.

It is not a de Polignac number, because 13215404110049 - 2²⁸ = 13215135674593 is a prime.

It is not a weakly prime, because it can be changed into another prime (13215404110043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6607702055024 + 6607702055025.

It is an arithmetic number, because the mean of its divisors is an integer number (6607702055025).

Almost surely, 2^{13215404110049} is an apocalyptic number.

It is an amenable number.

13215404110049 is a deficient number, since it is larger than the sum of its proper divisors (1).

13215404110049 is an equidigital number, since it uses as much as digits as its factorization.

13215404110049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 13215404110049 in words is "thirteen trillion, two hundred fifteen billion, four hundred four million, one hundred ten thousand, forty-nine".