51021040130 has 16 divisors (see below), whose sum is σ = 91845546624. Its totient is φ = 20406710640.

The previous prime is 51021040127. The next prime is 51021040171. The reversal of 51021040130 is 3104012015.

It is a junction number, because it is equal to n+sod(n) for n = 51021040099 and 51021040108.

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, 83786 + ... + 330245.

It is an arithmetic number, because the mean of its divisors is an integer number (5740346664).

Almost surely, 2^51021040130 is an apocalyptic number.

51021040130 is a deficient number, since it is larger than the sum of its proper divisors (40824506494).

51021040130 is a wasteful number, since it uses less digits than its factorization.

51021040130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426361.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 51021040130 its reverse (3104012015), we get a palindrome (54125052145).

The spelling of 51021040130 in words is "fifty-one billion, twenty-one million, forty thousand, one hundred thirty".