12355615258 has 16 divisors (see below), whose sum is σ = 21183621120. Its totient is φ = 5294622096.

The previous prime is 12355615231. The next prime is 12355615273. The reversal of 12355615258 is 85251655321.

It is a happy number.

12355615258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12355615258² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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, 77223 + ... + 175141.

It is an arithmetic number, because the mean of its divisors is an integer number (1323976320).

Almost surely, 2^12355615258 is an apocalyptic number.

12355615258 is a deficient number, since it is larger than the sum of its proper divisors (8828005862).

12355615258 is an equidigital number, since it uses as much as digits as its factorization.

12355615258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106941.

The product of its digits is 360000, while the sum is 43.

The spelling of 12355615258 in words is "twelve billion, three hundred fifty-five million, six hundred fifteen thousand, two hundred fifty-eight".