51445310422605 has 32 divisors (see below), whose sum is σ = 89830269596160. Its totient is φ = 24933508956480.

The previous prime is 51445310422577. The next prime is 51445310422673. The reversal of 51445310422605 is 50622401354415.

It is not a de Polignac number, because 51445310422605 - 2³⁷ = 51307871469133 is a prime.

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, 60022267 + ... + 60873336.

It is an arithmetic number, because the mean of its divisors is an integer number (2807195924880).

Almost surely, 2^{51445310422605} is an apocalyptic number.

51445310422605 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51445310422605 is a deficient number, since it is larger than the sum of its proper divisors (38384959173555).

51445310422605 is a wasteful number, since it uses less digits than its factorization.

51445310422605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120898201.

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 51445310422605 in words is "fifty-one trillion, four hundred forty-five billion, three hundred ten million, four hundred twenty-two thousand, six hundred five".