505105520034425 has 12 divisors (see below), whose sum is σ = 647928460183020. Its totient is φ = 390150470646720.

The previous prime is 505105520034383. The next prime is 505105520034461. The reversal of 505105520034425 is 524430025501505.

It can be written as a sum of positive squares in 6 ways, for example, as 116762806707856 + 388342713326569 = 10805684^2 + 19706413^2 .

It is not a de Polignac number, because 505105520034425 - 2¹⁸ = 505105519772281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 348348633782 + ... + 348348635231.

It is an arithmetic number, because the mean of its divisors is an integer number (53994038348585).

Almost surely, 2^{505105520034425} is an apocalyptic number.

It is an amenable number.

505105520034425 is a deficient number, since it is larger than the sum of its proper divisors (142822940148595).

505105520034425 is a wasteful number, since it uses less digits than its factorization.

505105520034425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696697269052 (or 696697269047 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 41.

The spelling of 505105520034425 in words is "five hundred five trillion, one hundred five billion, five hundred twenty million, thirty-four thousand, four hundred twenty-five".