51025103521744 has 160 divisors (see below), whose sum is σ = 113364675446400. Its totient is φ = 22035577159680.

The previous prime is 51025103521727. The next prime is 51025103521753. The reversal of 51025103521744 is 44712530152015.

It is a happy number.

It is a super-2 number, since 2×51025103521744² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51025103521697 and 51025103521706.

It is a congruent 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, 79850292 + ... + 80486764.

It is an arithmetic number, because the mean of its divisors is an integer number (708529221540).

Almost surely, 2^{51025103521744} 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 51025103521744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56682337723200).

51025103521744 is an abundant number, since it is smaller than the sum of its proper divisors (62339571924656).

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

51025103521744 is a wasteful number, since it uses less digits than its factorization.

51025103521744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636773 (or 636767 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

Adding to 51025103521744 its reverse (44712530152015), we get a palindrome (95737633673759).

The spelling of 51025103521744 in words is "fifty-one trillion, twenty-five billion, one hundred three million, five hundred twenty-one thousand, seven hundred forty-four".