51045334120 has 64 divisors (see below), whose sum is σ = 126700977600. Its totient is φ = 18353364480.

The previous prime is 51045334103. The next prime is 51045334147. The reversal of 51045334120 is 2143354015.

It is a super-2 number, since 2×51045334120² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 612594 + ... + 690913.

It is an arithmetic number, because the mean of its divisors is an integer number (1979702775).

Almost surely, 2^51045334120 is an apocalyptic number.

It is an amenable number.

51045334120 is an abundant number, since it is smaller than the sum of its proper divisors (75655643480).

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

51045334120 is a wasteful number, since it uses less digits than its factorization.

51045334120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303618 (or 1303614 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 51045334120 its reverse (2143354015), we get a palindrome (53188688135).

The spelling of 51045334120 in words is "fifty-one billion, forty-five million, three hundred thirty-four thousand, one hundred twenty".