11164535321 has 4 divisors (see below), whose sum is σ = 11170497972. Its totient is φ = 11158572672.

The previous prime is 11164535303. The next prime is 11164535339. The reversal of 11164535321 is 12353546111.

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

It is an interprime number because it is at equal distance from previous prime (11164535303) and next prime (11164535339).

It can be written as a sum of positive squares in 2 ways, for example, as 4347556096 + 6816979225 = 65936^2 + 82565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11164535321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11164535521) 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, 2978516 + ... + 2982261.

It is an arithmetic number, because the mean of its divisors is an integer number (2792624493).

Almost surely, 2^11164535321 is an apocalyptic number.

It is an amenable number.

11164535321 is a deficient number, since it is larger than the sum of its proper divisors (5962651).

11164535321 is an equidigital number, since it uses as much as digits as its factorization.

11164535321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5962650.

The product of its digits is 10800, while the sum is 32.

The spelling of 11164535321 in words is "eleven billion, one hundred sixty-four million, five hundred thirty-five thousand, three hundred twenty-one".