51065322602144 has 48 divisors (see below), whose sum is σ = 103257386517600. Its totient is φ = 24841296278784.

The previous prime is 51065322602053. The next prime is 51065322602159. The reversal of 51065322602144 is 44120622356015.

It is a super-2 number, since 2×51065322602144² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21831947 + ... + 24057525.

It is an arithmetic number, because the mean of its divisors is an integer number (2151195552450).

Almost surely, 2^{51065322602144} is an apocalyptic number.

It is an amenable number.

51065322602144 is an abundant number, since it is smaller than the sum of its proper divisors (52192063915456).

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

51065322602144 is a wasteful number, since it uses less digits than its factorization.

51065322602144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245005 (or 2244997 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

Adding to 51065322602144 its reverse (44120622356015), we get a palindrome (95185944958159).

The spelling of 51065322602144 in words is "fifty-one trillion, sixty-five billion, three hundred twenty-two million, six hundred two thousand, one hundred forty-four".