12636155143 has 4 divisors (see below), whose sum is σ = 13301215960. Its totient is φ = 11971094328.

The previous prime is 12636155137. The next prime is 12636155171. The reversal of 12636155143 is 34155163621.

12636155143 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 12636155143 - 2⁵ = 12636155111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12636150143) 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, 332530380 + ... + 332530417.

It is an arithmetic number, because the mean of its divisors is an integer number (3325303990).

Almost surely, 2^12636155143 is an apocalyptic number.

12636155143 is a deficient number, since it is larger than the sum of its proper divisors (665060817).

12636155143 is an equidigital number, since it uses as much as digits as its factorization.

12636155143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665060816.

The product of its digits is 64800, while the sum is 37.

The spelling of 12636155143 in words is "twelve billion, six hundred thirty-six million, one hundred fifty-five thousand, one hundred forty-three".