12355055131 has 4 divisors (see below), whose sum is σ = 12529070064. Its totient is φ = 12181040200.

The previous prime is 12355055129. The next prime is 12355055147. The reversal of 12355055131 is 13155055321.

12355055131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12355055131 - 2¹ = 12355055129 is a prime.

It is a super-2 number, since 2×12355055131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12355055093 and 12355055102.

It is not an unprimeable number, because it can be changed into a prime (12355055431) 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 3 ways as a sum of consecutive naturals, for example, 87007360 + ... + 87007501.

It is an arithmetic number, because the mean of its divisors is an integer number (3132267516).

Almost surely, 2^12355055131 is an apocalyptic number.

12355055131 is a deficient number, since it is larger than the sum of its proper divisors (174014933).

12355055131 is an equidigital number, since it uses as much as digits as its factorization.

12355055131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174014932.

The product of its (nonzero) digits is 11250, while the sum is 31.

The spelling of 12355055131 in words is "twelve billion, three hundred fifty-five million, fifty-five thousand, one hundred thirty-one".