12511645343 has 8 divisors (see below), whose sum is σ = 12648195840. Its totient is φ = 12375759960.

The previous prime is 12511645339. The next prime is 12511645351. The reversal of 12511645343 is 34354611521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12511645343 - 2² = 12511645339 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 (12511645373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128405 + ... + 203742.

It is an arithmetic number, because the mean of its divisors is an integer number (1581024480).

Almost surely, 2^12511645343 is an apocalyptic number.

12511645343 is a deficient number, since it is larger than the sum of its proper divisors (136550497).

12511645343 is a wasteful number, since it uses less digits than its factorization.

12511645343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332557.

The product of its digits is 43200, while the sum is 35.

The spelling of 12511645343 in words is "twelve billion, five hundred eleven million, six hundred forty-five thousand, three hundred forty-three".