51142432011 has 16 divisors (see below), whose sum is σ = 74394028800. Its totient is φ = 30993314720.

The previous prime is 51142431971. The next prime is 51142432039. The reversal of 51142432011 is 11023424115.

51142432011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 51142432011 - 2⁶ = 51142431947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51142432111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543265 + ... + 630413.

It is an arithmetic number, because the mean of its divisors is an integer number (4649626800).

Almost surely, 2^51142432011 is an apocalyptic number.

51142432011 is a deficient number, since it is larger than the sum of its proper divisors (23251596789).

51142432011 is a wasteful number, since it uses less digits than its factorization.

51142432011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104946.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 51142432011 its reverse (11023424115), we get a palindrome (62165856126).

The spelling of 51142432011 in words is "fifty-one billion, one hundred forty-two million, four hundred thirty-two thousand, eleven".