11071445813 has 4 divisors (see below), whose sum is σ = 11082102720. Its totient is φ = 11060788908.

The previous prime is 11071445809. The next prime is 11071445821. The reversal of 11071445813 is 31854417011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31854417011 = 211 ⋅150968801.

It is a cyclic number.

It is not a de Polignac number, because 11071445813 - 2² = 11071445809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11071445843) by changing a digit.

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, 5326895 + ... + 5328972.

It is an arithmetic number, because the mean of its divisors is an integer number (2770525680).

Almost surely, 2^11071445813 is an apocalyptic number.

It is an amenable number.

11071445813 is a deficient number, since it is larger than the sum of its proper divisors (10656907).

11071445813 is a wasteful number, since it uses less digits than its factorization.

11071445813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10656906.

The product of its (nonzero) digits is 13440, while the sum is 35.

The spelling of 11071445813 in words is "eleven billion, seventy-one million, four hundred forty-five thousand, eight hundred thirteen".