1603105113871 has 2 divisors, whose sum is σ = 1603105113872. Its totient is φ = 1603105113870.

The previous prime is 1603105113839. The next prime is 1603105113899. The reversal of 1603105113871 is 1783115013061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1603105113871 - 2⁵ = 1603105113839 is a prime.

It is a super-2 number, since 2×1603105113871² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1603105113871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1603105113371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801552556935 + 801552556936.

It is an arithmetic number, because the mean of its divisors is an integer number (801552556936).

Almost surely, 2^{1603105113871} is an apocalyptic number.

1603105113871 is a deficient number, since it is larger than the sum of its proper divisors (1).

1603105113871 is an equidigital number, since it uses as much as digits as its factorization.

1603105113871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 37.

The spelling of 1603105113871 in words is "one trillion, six hundred three billion, one hundred five million, one hundred thirteen thousand, eight hundred seventy-one".