13113211103947 has 2 divisors, whose sum is σ = 13113211103948. Its totient is φ = 13113211103946.

The previous prime is 13113211103897. The next prime is 13113211103957. The reversal of 13113211103947 is 74930111231131.

13113211103947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13113211103947 - 2³¹ = 13111063620299 is a prime.

It is not a weakly prime, because it can be changed into another prime (13113211103957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556605551973 + 6556605551974.

It is an arithmetic number, because the mean of its divisors is an integer number (6556605551974).

Almost surely, 2^{13113211103947} is an apocalyptic number.

13113211103947 is a deficient number, since it is larger than the sum of its proper divisors (1).

13113211103947 is an equidigital number, since it uses as much as digits as its factorization.

13113211103947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 13113211103947 in words is "thirteen trillion, one hundred thirteen billion, two hundred eleven million, one hundred three thousand, nine hundred forty-seven".