1100001000003 has 32 divisors (see below), whose sum is σ = 1514775124800. Its totient is φ = 709588439040.

The previous prime is 1100000999969. The next prime is 1100001000023. The reversal of 1100001000003 is 3000001000011.

It is not a de Polignac number, because 1100001000003 - 2¹³ = 1100000991811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1100000999955 and 1100001000000.

It is not an unprimeable number, because it can be changed into a prime (1100001000023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12363051 + ... + 12451707.

It is an arithmetic number, because the mean of its divisors is an integer number (47336722650).

Almost surely, 2^{1100001000003} is an apocalyptic number.

1100001000003 is a deficient number, since it is larger than the sum of its proper divisors (414774124797).

1100001000003 is a wasteful number, since it uses less digits than its factorization.

1100001000003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89527.

The product of its (nonzero) digits is 3, while the sum is 6.

Adding to 1100001000003 its reverse (3000001000011), we get a palindrome (4100002000014).

The spelling of 1100001000003 in words is "one trillion, one hundred billion, one million, three", and thus it is an aban number.