51003305465100 has 72 divisors (see below), whose sum is σ = 147586999952448. Its totient is φ = 13599274440000.

The previous prime is 51003305464939. The next prime is 51003305465113. The reversal of 51003305465100 is 156450330015.

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, 7499526 + ... + 12579725.

It is an arithmetic number, because the mean of its divisors is an integer number (2049819443784).

Almost surely, 2^{51003305465100} is an apocalyptic number.

51003305465100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51003305465100 is an abundant number, since it is smaller than the sum of its proper divisors (96583694487348).

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

51003305465100 is a wasteful number, since it uses less digits than its factorization.

51003305465100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20087735 (or 20087728 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 51003305465100 its reverse (156450330015), we get a palindrome (51159755795115).

The spelling of 51003305465100 in words is "fifty-one trillion, three billion, three hundred five million, four hundred sixty-five thousand, one hundred".