51105550550001 has 8 divisors (see below), whose sum is σ = 68142598987584. Its totient is φ = 34069434572880.

The previous prime is 51105550549987. The next prime is 51105550550009. The reversal of 51105550550001 is 10005505550115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51105550550001 - 2⁵ = 51105550549969 is a prime.

It is a super-2 number, since 2×51105550550001² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51105550550009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232987221 + ... + 233206466.

It is an arithmetic number, because the mean of its divisors is an integer number (8517824873448).

Almost surely, 2^{51105550550001} is an apocalyptic number.

It is an amenable number.

51105550550001 is a deficient number, since it is larger than the sum of its proper divisors (17037048437583).

51105550550001 is a wasteful number, since it uses less digits than its factorization.

51105550550001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466230231.

The product of its (nonzero) digits is 15625, while the sum is 33.

The spelling of 51105550550001 in words is "fifty-one trillion, one hundred five billion, five hundred fifty million, five hundred fifty thousand, one".