1001000091004 has 12 divisors (see below), whose sum is σ = 1843947536200. Its totient is φ = 474157937808.

The previous prime is 1001000090899. The next prime is 1001000091029. The reversal of 1001000091004 is 4001900001001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6585526839 + ... + 6585526990.

Almost surely, 2^{1001000091004} is an apocalyptic number.

It is an amenable number.

1001000091004 is a deficient number, since it is larger than the sum of its proper divisors (842947445196).

1001000091004 is a wasteful number, since it uses less digits than its factorization.

1001000091004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13171053852 (or 13171053850 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1001000091004 its reverse (4001900001001), we get a palindrome (5002900092005).

The spelling of 1001000091004 in words is "one trillion, one billion, ninety-one thousand, four".