51005610100500 has 96 divisors (see below), whose sum is σ = 162030912720768. Its totient is φ = 12364996384000.

The previous prime is 51005610100477. The next prime is 51005610100531. The reversal of 51005610100500 is 500101650015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1545608049 + ... + 1545641048.

It is an arithmetic number, because the mean of its divisors is an integer number (1687822007508).

Almost surely, 2^{51005610100500} is an apocalyptic number.

51005610100500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51005610100500 is an abundant number, since it is smaller than the sum of its proper divisors (111025302620268).

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

51005610100500 is a wasteful number, since it uses less digits than its factorization.

51005610100500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091249130 (or 3091249118 counting only the distinct ones).

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

Adding to 51005610100500 its reverse (500101650015), we get a palindrome (51505711750515).

The spelling of 51005610100500 in words is "fifty-one trillion, five billion, six hundred ten million, one hundred thousand, five hundred".