51301233120 has 96 divisors (see below), whose sum is σ = 161637402528. Its totient is φ = 13677068288.

The previous prime is 51301233107. The next prime is 51301233143. The reversal of 51301233120 is 2133210315.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

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, 2532472 + ... + 2552648.

It is an arithmetic number, because the mean of its divisors is an integer number (1683722943).

Almost surely, 2^51301233120 is an apocalyptic number.

It is an amenable number.

51301233120 is an abundant number, since it is smaller than the sum of its proper divisors (110336169408).

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

51301233120 is a wasteful number, since it uses less digits than its factorization.

51301233120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25492 (or 25484 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 51301233120 its reverse (2133210315), we get a palindrome (53434443435).

The spelling of 51301233120 in words is "fifty-one billion, three hundred one million, two hundred thirty-three thousand, one hundred twenty".