1000011109913 has 2 divisors, whose sum is σ = 1000011109914. Its totient is φ = 1000011109912.

The previous prime is 1000011109873. The next prime is 1000011109987. The reversal of 1000011109913 is 3199011100001.

It is a happy number.

1000011109913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 996618862864 + 3392247049 = 998308^2 + 58243^2 .

It is an emirp because it is prime and its reverse (3199011100001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1000011109913 - 2¹⁸ = 1000010847769 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000011109813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500005554956 + 500005554957.

It is an arithmetic number, because the mean of its divisors is an integer number (500005554957).

Almost surely, 2^{1000011109913} is an apocalyptic number.

It is an amenable number.

1000011109913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000011109913 is an equidigital number, since it uses as much as digits as its factorization.

1000011109913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 26.

Adding to 1000011109913 its reverse (3199011100001), we get a palindrome (4199022209914).

The spelling of 1000011109913 in words is "one trillion, eleven million, one hundred nine thousand, nine hundred thirteen".