1100001000013 has 4 divisors (see below), whose sum is σ = 1100003196220. Its totient is φ = 1099998803808.

The previous prime is 1100000999969. The next prime is 1100001000023. The reversal of 1100001000013 is 3100001000011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21149012329 + 1078851987684 = 145427^2 + 1038678^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100001000013 - 2³³ = 1091411065421 is a prime.

It is a Duffinian number.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61081 + ... + 1484497.

It is an arithmetic number, because the mean of its divisors is an integer number (275000799055).

Almost surely, 2^{1100001000013} is an apocalyptic number.

It is an amenable number.

1100001000013 is a deficient number, since it is larger than the sum of its proper divisors (2196207).

1100001000013 is an equidigital number, since it uses as much as digits as its factorization.

1100001000013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196206.

The product of its (nonzero) digits is 3, while the sum is 7.

Adding to 1100001000013 its reverse (3100001000011), we get a palindrome (4200002000024).

The spelling of 1100001000013 in words is "one trillion, one hundred billion, one million, thirteen", and thus it is an aban number.