12355523513 has 8 divisors (see below), whose sum is σ = 12674005632. Its totient is φ = 12039358096.

The previous prime is 12355523497. The next prime is 12355523539. The reversal of 12355523513 is 31532555321.

12355523513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12355523513 - 2⁴ = 12355523497 is a prime.

It is a super-2 number, since 2×12355523513² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12355523113) 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 7 ways as a sum of consecutive naturals, for example, 568370 + ... + 589707.

It is an arithmetic number, because the mean of its divisors is an integer number (1584250704).

Almost surely, 2^12355523513 is an apocalyptic number.

It is an amenable number.

12355523513 is a deficient number, since it is larger than the sum of its proper divisors (318482119).

12355523513 is a wasteful number, since it uses less digits than its factorization.

12355523513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158351.

The product of its digits is 67500, while the sum is 35.

The spelling of 12355523513 in words is "twelve billion, three hundred fifty-five million, five hundred twenty-three thousand, five hundred thirteen".