51100100060000 has 120 divisors (see below), whose sum is σ = 128637492656904. Its totient is φ = 19964689920000.

The previous prime is 51100100059919. The next prime is 51100100060017. The reversal of 51100100060000 is 6000100115.

It is a super-2 number, since 2×51100100060000² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28849361 + ... + 30569360.

Almost surely, 2^{51100100060000} is an apocalyptic number.

51100100060000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51100100060000 is an abundant number, since it is smaller than the sum of its proper divisors (77537392596904).

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

51100100060000 is an equidigital number, since it uses as much as digits as its factorization.

51100100060000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59418794 (or 59418771 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 14.

Adding to 51100100060000 its reverse (6000100115), we get a palindrome (51106100160115).

The spelling of 51100100060000 in words is "fifty-one trillion, one hundred billion, one hundred million, sixty thousand".