51601100606000 has 80 divisors (see below), whose sum is σ = 136114321438368. Its totient is φ = 18764036576000.

The previous prime is 51601100605993. The next prime is 51601100606017. The reversal of 51601100606000 is 60600110615.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1172730287 + ... + 1172774286.

Almost surely, 2^{51601100606000} is an apocalyptic number.

51601100606000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51601100606000 is an abundant number, since it is smaller than the sum of its proper divisors (84513220832368).

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

51601100606000 is a wasteful number, since it uses less digits than its factorization.

51601100606000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345504607 (or 2345504591 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

Adding to 51601100606000 its reverse (60600110615), we get a palindrome (51661700716615).

The spelling of 51601100606000 in words is "fifty-one trillion, six hundred one billion, one hundred million, six hundred six thousand".