51511066060 has 24 divisors (see below), whose sum is σ = 113866567920. Its totient is φ = 19519982784.

The previous prime is 51511066043. The next prime is 51511066091. The reversal of 51511066060 is 6066011515.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67777339 + ... + 67778098.

It is an arithmetic number, because the mean of its divisors is an integer number (4744440330).

Almost surely, 2^51511066060 is an apocalyptic number.

It is an amenable number.

51511066060 is an abundant number, since it is smaller than the sum of its proper divisors (62355501860).

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

51511066060 is a wasteful number, since it uses less digits than its factorization.

51511066060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135555465 (or 135555463 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

Adding to 51511066060 its reverse (6066011515), we get a palindrome (57577077575).

The spelling of 51511066060 in words is "fifty-one billion, five hundred eleven million, sixty-six thousand, sixty".