12141135543531 has 4 divisors (see below), whose sum is σ = 16188180724712. Its totient is φ = 8094090362352.

The previous prime is 12141135543521. The next prime is 12141135543533. The reversal of 12141135543531 is 13534553114121.

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

It is not a de Polignac number, because 12141135543531 - 2⁴³ = 3345042521323 is a prime.

It is a super-2 number, since 2×12141135543531² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12141135543531.

It is not an unprimeable number, because it can be changed into a prime (12141135543533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2023522590586 + ... + 2023522590591.

It is an arithmetic number, because the mean of its divisors is an integer number (4047045181178).

Almost surely, 2^{12141135543531} is an apocalyptic number.

12141135543531 is a deficient number, since it is larger than the sum of its proper divisors (4047045181181).

12141135543531 is an equidigital number, since it uses as much as digits as its factorization.

12141135543531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047045181180.

The product of its digits is 108000, while the sum is 39.

Adding to 12141135543531 its reverse (13534553114121), we get a palindrome (25675688657652).

The spelling of 12141135543531 in words is "twelve trillion, one hundred forty-one billion, one hundred thirty-five million, five hundred forty-three thousand, five hundred thirty-one".