1003198920603 has 16 divisors (see below), whose sum is σ = 1459577922816. Its totient is φ = 607841223840.

The previous prime is 1003198920571. The next prime is 1003198920623. The reversal of 1003198920603 is 3060298913001.

It is not a de Polignac number, because 1003198920603 - 2⁵ = 1003198920571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1003198920623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3824176 + ... + 4078077.

It is an arithmetic number, because the mean of its divisors is an integer number (91223620176).

Almost surely, 2^{1003198920603} is an apocalyptic number.

1003198920603 is a deficient number, since it is larger than the sum of its proper divisors (456379002213).

1003198920603 is a wasteful number, since it uses less digits than its factorization.

1003198920603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7906114.

The product of its (nonzero) digits is 69984, while the sum is 42.

The spelling of 1003198920603 in words is "one trillion, three billion, one hundred ninety-eight million, nine hundred twenty thousand, six hundred three".