51030005505505 has 16 divisors (see below), whose sum is σ = 68073774096384. Its totient is φ = 36468093263040.

The previous prime is 51030005505469. The next prime is 51030005505551. The reversal of 51030005505505 is 50550550003015.

It is not a de Polignac number, because 51030005505505 - 2²¹ = 51030003408353 is a prime.

It is a super-2 number, since 2×51030005505505² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

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, 12662530369 + ... + 12662534398.

It is an arithmetic number, because the mean of its divisors is an integer number (4254610881024).

Almost surely, 2^{51030005505505} is an apocalyptic number.

It is an amenable number.

51030005505505 is a deficient number, since it is larger than the sum of its proper divisors (17043768590879).

51030005505505 is a wasteful number, since it uses less digits than its factorization.

51030005505505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25325064816.

The product of its (nonzero) digits is 46875, while the sum is 34.

The spelling of 51030005505505 in words is "fifty-one trillion, thirty billion, five million, five hundred five thousand, five hundred five".