12053320511 has 8 divisors (see below), whose sum is σ = 12129328848. Its totient is φ = 11977416000.

The previous prime is 12053320471. The next prime is 12053320523. The reversal of 12053320511 is 11502335021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12053320511 is a prime.

It is a super-2 number, since 2×12053320511² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12053320541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213896 + ... + 264306.

It is an arithmetic number, because the mean of its divisors is an integer number (1516166106).

Almost surely, 2^12053320511 is an apocalyptic number.

12053320511 is a deficient number, since it is larger than the sum of its proper divisors (76008337).

12053320511 is a wasteful number, since it uses less digits than its factorization.

12053320511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51913.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 12053320511 its reverse (11502335021), we get a palindrome (23555655532).

The spelling of 12053320511 in words is "twelve billion, fifty-three million, three hundred twenty thousand, five hundred eleven".