51325332031144 has 32 divisors (see below), whose sum is σ = 96392905436520. Its totient is φ = 25620589080576.

The previous prime is 51325332031123. The next prime is 51325332031147. The reversal of 51325332031144 is 44113023352315.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 39849701526244 + 11475630504900 = 6312662^2 + 3387570^2 .

It is not an unprimeable number, because it can be changed into a prime (51325332031147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10919224 + ... + 14895640.

Almost surely, 2^{51325332031144} is an apocalyptic number.

It is an amenable number.

51325332031144 is a deficient number, since it is larger than the sum of its proper divisors (45067573405376).

51325332031144 is a wasteful number, since it uses less digits than its factorization.

51325332031144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3979069 (or 3979065 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 51325332031144 its reverse (44113023352315), we get a palindrome (95438355383459).

The spelling of 51325332031144 in words is "fifty-one trillion, three hundred twenty-five billion, three hundred thirty-two million, thirty-one thousand, one hundred forty-four".