51021500150 has 48 divisors (see below), whose sum is σ = 95934020544. Its totient is φ = 20186818080.

The previous prime is 51021500141. The next prime is 51021500161. The reversal of 51021500150 is 5100512015.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3647069 + ... + 3661031.

It is an arithmetic number, because the mean of its divisors is an integer number (1998625428).

Almost surely, 2^51021500150 is an apocalyptic number.

51021500150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51021500150 is a deficient number, since it is larger than the sum of its proper divisors (44912520394).

51021500150 is a wasteful number, since it uses less digits than its factorization.

51021500150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14765 (or 14760 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 20.

The spelling of 51021500150 in words is "fifty-one billion, twenty-one million, five hundred thousand, one hundred fifty".