51151143511 has 16 divisors (see below), whose sum is σ = 57160857600. Its totient is φ = 45468793440.

The previous prime is 51151143499. The next prime is 51151143529. The reversal of 51151143511 is 11534115115.

51151143511 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 51151143511 - 2³³ = 42561208919 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 51151143511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51151141511) 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, 604711 + ... + 684088.

It is an arithmetic number, because the mean of its divisors is an integer number (3572553600).

Almost surely, 2^51151143511 is an apocalyptic number.

51151143511 is a deficient number, since it is larger than the sum of its proper divisors (6009714089).

51151143511 is a wasteful number, since it uses less digits than its factorization.

51151143511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288926.

The product of its digits is 1500, while the sum is 28.

Adding to 51151143511 its reverse (11534115115), we get a palindrome (62685258626).

The spelling of 51151143511 in words is "fifty-one billion, one hundred fifty-one million, one hundred forty-three thousand, five hundred eleven".