1001111005504 has 28 divisors (see below), whose sum is σ = 1986626683584. Its totient is φ = 500543652224.

The previous prime is 1001111005483. The next prime is 1001111005571. The reversal of 1001111005504 is 4055001111001.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2951019 + ... + 3272725.

Almost surely, 2^{1001111005504} is an apocalyptic number.

It is an amenable number.

1001111005504 is a deficient number, since it is larger than the sum of its proper divisors (985515678080).

1001111005504 is an equidigital number, since it uses as much as digits as its factorization.

1001111005504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370342 (or 370332 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 19.

Adding to 1001111005504 its reverse (4055001111001), we get a palindrome (5056112116505).

The spelling of 1001111005504 in words is "one trillion, one billion, one hundred eleven million, five thousand, five hundred four".