11520352311 has 32 divisors (see below), whose sum is σ = 17537119488. Its totient is φ = 6664035840.

The previous prime is 11520352307. The next prime is 11520352369. The reversal of 11520352311 is 11325302511.

11520352311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11520352311 - 2² = 11520352307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11520352391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 537796 + ... + 558806.

It is an arithmetic number, because the mean of its divisors is an integer number (548034984).

Almost surely, 2^11520352311 is an apocalyptic number.

11520352311 is a deficient number, since it is larger than the sum of its proper divisors (6016767177).

11520352311 is a wasteful number, since it uses less digits than its factorization.

11520352311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21871.

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 11520352311 its reverse (11325302511), we get a palindrome (22845654822).

The spelling of 11520352311 in words is "eleven billion, five hundred twenty million, three hundred fifty-two thousand, three hundred eleven".