12511541343 has 16 divisors (see below), whose sum is σ = 19075412480. Its totient is φ = 7145624736.

The previous prime is 12511541299. The next prime is 12511541353. The reversal of 12511541343 is 34314511521.

It is not a de Polignac number, because 12511541343 - 2¹⁴ = 12511524959 is a prime.

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 12511541343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12511541353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119080 + ... + 197997.

It is an arithmetic number, because the mean of its divisors is an integer number (1192213280).

Almost surely, 2^12511541343 is an apocalyptic number.

12511541343 is a deficient number, since it is larger than the sum of its proper divisors (6563871137).

12511541343 is a wasteful number, since it uses less digits than its factorization.

12511541343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318966.

The product of its digits is 7200, while the sum is 30.

The spelling of 12511541343 in words is "twelve billion, five hundred eleven million, five hundred forty-one thousand, three hundred forty-three".