13579975811 has 4 divisors (see below), whose sum is σ = 14294711400. Its totient is φ = 12865240224.

The previous prime is 13579975793. The next prime is 13579975823. The reversal of 13579975811 is 11857997531.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13579975811 - 2¹⁰ = 13579974787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13579975111) 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, 357367766 + ... + 357367803.

It is an arithmetic number, because the mean of its divisors is an integer number (3573677850).

Almost surely, 2^13579975811 is an apocalyptic number.

13579975811 is a deficient number, since it is larger than the sum of its proper divisors (714735589).

13579975811 is an equidigital number, since it uses as much as digits as its factorization.

13579975811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714735588.

The product of its digits is 2381400, while the sum is 56.

The spelling of 13579975811 in words is "thirteen billion, five hundred seventy-nine million, nine hundred seventy-five thousand, eight hundred eleven".