11320220311 has 12 divisors (see below), whose sum is σ = 12041501952. Its totient is φ = 10639931904.

The previous prime is 11320220299. The next prime is 11320220341. The reversal of 11320220311 is 11302202311.

It is not a de Polignac number, because 11320220311 - 2¹¹ = 11320218263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320220341) 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 11 ways as a sum of consecutive naturals, for example, 77610 + ... + 169303.

It is an arithmetic number, because the mean of its divisors is an integer number (1003458496).

Almost surely, 2^11320220311 is an apocalyptic number.

11320220311 is a deficient number, since it is larger than the sum of its proper divisors (721281641).

11320220311 is a wasteful number, since it uses less digits than its factorization.

11320220311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247078 (or 247059 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11320220311 its reverse (11302202311), we get a palindrome (22622422622).

The spelling of 11320220311 in words is "eleven billion, three hundred twenty million, two hundred twenty thousand, three hundred eleven".