51071225536 has 28 divisors (see below), whose sum is σ = 101405469528. Its totient is φ = 25520241152.

The previous prime is 51071225531. The next prime is 51071225561. The reversal of 51071225536 is 63552217015.

It is a junction number, because it is equal to n+sod(n) for n = 51071225495 and 51071225504.

It is not an unprimeable number, because it can be changed into a prime (51071225531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132661 + ... + 346036.

Almost surely, 2^51071225536 is an apocalyptic number.

It is an amenable number.

51071225536 is a deficient number, since it is larger than the sum of its proper divisors (50334243992).

51071225536 is a wasteful number, since it uses less digits than its factorization.

51071225536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480376 (or 480366 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 37.

The spelling of 51071225536 in words is "fifty-one billion, seventy-one million, two hundred twenty-five thousand, five hundred thirty-six".