51514443120 has 320 divisors, whose sum is σ = 203416980480. Its totient is φ = 10498719744.

The previous prime is 51514443089. The next prime is 51514443173. The reversal of 51514443120 is 2134441515.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 495174 + ... + 590106.

It is an arithmetic number, because the mean of its divisors is an integer number (635678064).

Almost surely, 2^51514443120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51514443120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101708490240).

51514443120 is an abundant number, since it is smaller than the sum of its proper divisors (151902537360).

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

51514443120 is a wasteful number, since it uses less digits than its factorization.

51514443120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94992 (or 94986 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 51514443120 its reverse (2134441515), we get a palindrome (53648884635).

The spelling of 51514443120 in words is "fifty-one billion, five hundred fourteen million, four hundred forty-three thousand, one hundred twenty".