51080846816505 has 128 divisors (see below), whose sum is σ = 89756413673472. Its totient is φ = 24601294080000.

The previous prime is 51080846816491. The next prime is 51080846816539. The reversal of 51080846816505 is 50561864808015.

It is not a de Polignac number, because 51080846816505 - 2⁸ = 51080846816249 is a prime.

It is a super-2 number, since 2×51080846816505² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 34490780365 + ... + 34490781845.

It is an arithmetic number, because the mean of its divisors is an integer number (701221981824).

Almost surely, 2^{51080846816505} is an apocalyptic number.

51080846816505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51080846816505 is a deficient number, since it is larger than the sum of its proper divisors (38675566856967).

51080846816505 is a wasteful number, since it uses less digits than its factorization.

51080846816505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559.

The product of its (nonzero) digits is 9216000, while the sum is 57.

The spelling of 51080846816505 in words is "fifty-one trillion, eighty billion, eight hundred forty-six million, eight hundred sixteen thousand, five hundred five".