11320876811 has 4 divisors (see below), whose sum is σ = 11396856000. Its totient is φ = 11244897624.

The previous prime is 11320876783. The next prime is 11320876843. The reversal of 11320876811 is 11867802311.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11320876811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11320876891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37989371 + ... + 37989668.

It is an arithmetic number, because the mean of its divisors is an integer number (2849214000).

Almost surely, 2^11320876811 is an apocalyptic number.

11320876811 is a deficient number, since it is larger than the sum of its proper divisors (75979189).

11320876811 is an equidigital number, since it uses as much as digits as its factorization.

11320876811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75979188.

The product of its (nonzero) digits is 16128, while the sum is 38.

The spelling of 11320876811 in words is "eleven billion, three hundred twenty million, eight hundred seventy-six thousand, eight hundred eleven".