51432043012 has 48 divisors (see below), whose sum is σ = 104395011840. Its totient is φ = 21714739200.

The previous prime is 51432043007. The next prime is 51432043063. The reversal of 51432043012 is 21034023415.

51432043012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2696164 + ... + 2715172.

It is an arithmetic number, because the mean of its divisors is an integer number (2174896080).

Almost surely, 2^51432043012 is an apocalyptic number.

It is an amenable number.

51432043012 is an abundant number, since it is smaller than the sum of its proper divisors (52962968828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51432043012 is a wasteful number, since it uses less digits than its factorization.

51432043012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20452 (or 20450 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 51432043012 its reverse (21034023415), we get a palindrome (72466066427).

The spelling of 51432043012 in words is "fifty-one billion, four hundred thirty-two million, forty-three thousand, twelve".