51010051000000 has 98 divisors (see below), whose sum is σ = 126527220352724. Its totient is φ = 20404020000000.

The previous prime is 51010050999997. The next prime is 51010051000019. The reversal of 51010051000000 is 15001015.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 24505026 + ... + 26505025.

Almost surely, 2^{51010051000000} is an apocalyptic number.

51010051000000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51010051000000 is an abundant number, since it is smaller than the sum of its proper divisors (75517169352724).

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

51010051000000 is an frugal number, since it uses more digits than its factorization.

51010051000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51010093 (or 51010058 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 13.

Adding to 51010051000000 its reverse (15001015), we get a palindrome (51010066001015).

The spelling of 51010051000000 in words is "fifty-one trillion, ten billion, fifty-one million", and thus it is an aban number and an uban number.