51244531332132 has 96 divisors (see below), whose sum is σ = 126418676428800. Its totient is φ = 16111167674112.

The previous prime is 51244531332089. The next prime is 51244531332157. The reversal of 51244531332132 is 23123313544215.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 248762008 + ... + 248967920.

It is an arithmetic number, because the mean of its divisors is an integer number (1316861212800).

Almost surely, 2^{51244531332132} 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 51244531332132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63209338214400).

51244531332132 is an abundant number, since it is smaller than the sum of its proper divisors (75174145096668).

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

51244531332132 is a wasteful number, since it uses less digits than its factorization.

51244531332132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210745 (or 210743 counting only the distinct ones).

The product of its digits is 259200, while the sum is 39.

Adding to 51244531332132 its reverse (23123313544215), we get a palindrome (74367844876347).

The spelling of 51244531332132 in words is "fifty-one trillion, two hundred forty-four billion, five hundred thirty-one million, three hundred thirty-two thousand, one hundred thirty-two".