103645665607513 has 2 divisors, whose sum is σ = 103645665607514. Its totient is φ = 103645665607512.

The previous prime is 103645665607511. The next prime is 103645665607529. The reversal of 103645665607513 is 315706566546301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101431244830864 + 2214420776649 = 10071308^2 + 1488093^2 .

It is a cyclic number.

It is not a de Polignac number, because 103645665607513 - 2¹ = 103645665607511 is a prime.

Together with 103645665607511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (103645665607511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51822832803756 + 51822832803757.

It is an arithmetic number, because the mean of its divisors is an integer number (51822832803757).

Almost surely, 2^{103645665607513} is an apocalyptic number.

It is an amenable number.

103645665607513 is a deficient number, since it is larger than the sum of its proper divisors (1).

103645665607513 is an equidigital number, since it uses as much as digits as its factorization.

103645665607513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824000, while the sum is 58.

The spelling of 103645665607513 in words is "one hundred three trillion, six hundred forty-five billion, six hundred sixty-five million, six hundred seven thousand, five hundred thirteen".