51000051060 has 120 divisors (see below), whose sum is σ = 182844668160. Its totient is φ = 11657151936.

The previous prime is 51000051049. The next prime is 51000051211. The reversal of 51000051060 is 6015000015.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2237340 + ... + 2260019.

It is an arithmetic number, because the mean of its divisors is an integer number (1523705568).

Almost surely, 2^51000051060 is an apocalyptic number.

It is an amenable number.

51000051060 is an abundant number, since it is smaller than the sum of its proper divisors (131844617100).

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

51000051060 is a wasteful number, since it uses less digits than its factorization.

51000051060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4497387 (or 4497376 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

Adding to 51000051060 its reverse (6015000015), we get a palindrome (57015051075).

The spelling of 51000051060 in words is "fifty-one billion, fifty-one thousand, sixty".