51151314320 has 40 divisors (see below), whose sum is σ = 118948220160. Its totient is φ = 20456841600.

The previous prime is 51151314283. The next prime is 51151314329. The reversal of 51151314320 is 2341315115.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 51151314320.

It is not an unprimeable number, because it can be changed into a prime (51151314329) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 413441 + ... + 522719.

It is an arithmetic number, because the mean of its divisors is an integer number (2973705504).

Almost surely, 2^51151314320 is an apocalyptic number.

It is an amenable number.

51151314320 is an abundant number, since it is smaller than the sum of its proper divisors (67796905840).

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

51151314320 is a wasteful number, since it uses less digits than its factorization.

51151314320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115143 (or 115137 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 51151314320 its reverse (2341315115), we get a palindrome (53492629435).

The spelling of 51151314320 in words is "fifty-one billion, one hundred fifty-one million, three hundred fourteen thousand, three hundred twenty".