15112144121143 has 4 divisors (see below), whose sum is σ = 15112158423840. Its totient is φ = 15112129818448.

The previous prime is 15112144121051. The next prime is 15112144121197. The reversal of 15112144121143 is 34112144121151.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15112144121143 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 (15112154121143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5428030 + ... + 7725787.

It is an arithmetic number, because the mean of its divisors is an integer number (3778039605960).

Almost surely, 2^{15112144121143} is an apocalyptic number.

15112144121143 is a deficient number, since it is larger than the sum of its proper divisors (14302697).

15112144121143 is a wasteful number, since it uses less digits than its factorization.

15112144121143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14302696.

The product of its digits is 3840, while the sum is 31.

Adding to 15112144121143 its reverse (34112144121151), we get a palindrome (49224288242294).

The spelling of 15112144121143 in words is "fifteen trillion, one hundred twelve billion, one hundred forty-four million, one hundred twenty-one thousand, one hundred forty-three".