51012146046 has 16 divisors (see below), whose sum is σ = 102063669264. Its totient is φ = 16997485824.

The previous prime is 51012145967. The next prime is 51012146063. The reversal of 51012146046 is 64064121015.

It is a congruent number.

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, 1623861 + ... + 1654976.

It is an arithmetic number, because the mean of its divisors is an integer number (6378979329).

Almost surely, 2^51012146046 is an apocalyptic number.

51012146046 is an abundant number, since it is smaller than the sum of its proper divisors (51051523218).

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

51012146046 is a wasteful number, since it uses less digits than its factorization.

51012146046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3281435.

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 51012146046 in words is "fifty-one billion, twelve million, one hundred forty-six thousand, forty-six".