13444515103 has 2 divisors, whose sum is σ = 13444515104. Its totient is φ = 13444515102.

The previous prime is 13444515089. The next prime is 13444515143. The reversal of 13444515103 is 30151544431.

It is a weak prime.

It is an emirp because it is prime and its reverse (30151544431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13444515103 - 2²⁵ = 13410960671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13444515143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6722257551 + 6722257552.

It is an arithmetic number, because the mean of its divisors is an integer number (6722257552).

Almost surely, 2^13444515103 is an apocalyptic number.

13444515103 is a deficient number, since it is larger than the sum of its proper divisors (1).

13444515103 is an equidigital number, since it uses as much as digits as its factorization.

13444515103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 13444515103 in words is "thirteen billion, four hundred forty-four million, five hundred fifteen thousand, one hundred three".