12511351432 has 16 divisors (see below), whose sum is σ = 23614142400. Its totient is φ = 6214246800.

The previous prime is 12511351427. The next prime is 12511351453. The reversal of 12511351432 is 23415311521.

It is a self number, because there is not a number n which added to its sum of digits gives 12511351432.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5177332 + ... + 5179747.

It is an arithmetic number, because the mean of its divisors is an integer number (1475883900).

Almost surely, 2^12511351432 is an apocalyptic number.

It is an amenable number.

12511351432 is a deficient number, since it is larger than the sum of its proper divisors (11102790968).

12511351432 is a wasteful number, since it uses less digits than its factorization.

12511351432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10357236 (or 10357232 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

Adding to 12511351432 its reverse (23415311521), we get a palindrome (35926662953).

The spelling of 12511351432 in words is "twelve billion, five hundred eleven million, three hundred fifty-one thousand, four hundred thirty-two".