1603105113899 has 2 divisors, whose sum is σ = 1603105113900. Its totient is φ = 1603105113898.

The previous prime is 1603105113871. The next prime is 1603105113919. The reversal of 1603105113899 is 9983115013061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1603105113899 - 2²⁰ = 1603104065323 is a prime.

It is not a weakly prime, because it can be changed into another prime (1603105113839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801552556949 + 801552556950.

It is an arithmetic number, because the mean of its divisors is an integer number (801552556950).

Almost surely, 2^{1603105113899} is an apocalyptic number.

1603105113899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1603105113899 is an equidigital number, since it uses as much as digits as its factorization.

1603105113899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 47.

The spelling of 1603105113899 in words is "one trillion, six hundred three billion, one hundred five million, one hundred thirteen thousand, eight hundred ninety-nine".