51005611050 has 48 divisors (see below), whose sum is σ = 127746368352. Its totient is φ = 13466824000.

The previous prime is 51005611039. The next prime is 51005611067. The reversal of 51005611050 is 5011650015.

51005611050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51005611050.

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, 1668204 + ... + 1698503.

It is an arithmetic number, because the mean of its divisors is an integer number (2661382674).

Almost surely, 2^51005611050 is an apocalyptic number.

51005611050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51005611050 is an abundant number, since it is smaller than the sum of its proper divisors (76740757302).

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

51005611050 is a wasteful number, since it uses less digits than its factorization.

51005611050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366823 (or 3366818 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 51005611050 in words is "fifty-one billion, five million, six hundred eleven thousand, fifty".