1001042903913 has 48 divisors (see below), whose sum is σ = 1517444824896. Its totient is φ = 583444010880.

The previous prime is 1001042903897. The next prime is 1001042903941. The reversal of 1001042903913 is 3193092401001.

It is a happy number.

It is not a de Polignac number, because 1001042903913 - 2⁴ = 1001042903897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001042903953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68430706 + ... + 68445332.

It is an arithmetic number, because the mean of its divisors is an integer number (31613433852).

Almost surely, 2^{1001042903913} is an apocalyptic number.

1001042903913 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1001042903913 is a deficient number, since it is larger than the sum of its proper divisors (516401920983).

1001042903913 is a wasteful number, since it uses less digits than its factorization.

1001042903913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19542 (or 19523 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The spelling of 1001042903913 in words is "one trillion, one billion, forty-two million, nine hundred three thousand, nine hundred thirteen".