51061075628 has 24 divisors (see below), whose sum is σ = 94823946000. Its totient is φ = 23975211008.

The previous prime is 51061075621. The next prime is 51061075633. The reversal of 51061075628 is 82657016015.

It is not an unprimeable number, because it can be changed into a prime (51061075621) 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, 805658 + ... + 866721.

It is an arithmetic number, because the mean of its divisors is an integer number (3950997750).

Almost surely, 2^51061075628 is an apocalyptic number.

It is an amenable number.

51061075628 is a deficient number, since it is larger than the sum of its proper divisors (43762870372).

51061075628 is a wasteful number, since it uses less digits than its factorization.

51061075628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672849 (or 1672847 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 51061075628 in words is "fifty-one billion, sixty-one million, seventy-five thousand, six hundred twenty-eight".