11001475813 has 2 divisors, whose sum is σ = 11001475814. Its totient is φ = 11001475812.

The previous prime is 11001475811. The next prime is 11001475847. The reversal of 11001475813 is 31857410011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10387278724 + 614197089 = 101918^2 + 24783^2 .

It is a cyclic number.

It is not a de Polignac number, because 11001475813 - 2¹ = 11001475811 is a prime.

Together with 11001475811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11001475811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500737906 + 5500737907.

It is an arithmetic number, because the mean of its divisors is an integer number (5500737907).

Almost surely, 2^11001475813 is an apocalyptic number.

It is an amenable number.

11001475813 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001475813 is an equidigital number, since it uses as much as digits as its factorization.

11001475813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 31.

Adding to 11001475813 its reverse (31857410011), we get a palindrome (42858885824).

The spelling of 11001475813 in words is "eleven billion, one million, four hundred seventy-five thousand, eight hundred thirteen".