505620041125025 has 6 divisors (see below), whose sum is σ = 626968850995062. Its totient is φ = 404496032900000.

The previous prime is 505620041125007. The next prime is 505620041125057. The reversal of 505620041125025 is 520521140026505.

It can be written as a sum of positive squares in 3 ways, for example, as 27413591168401 + 478206449956624 = 5235799^2 + 21867932^2 .

It is not a de Polignac number, because 505620041125025 - 2¹⁰ = 505620041124001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 505620041125025.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10112400822476 + ... + 10112400822525.

It is an arithmetic number, because the mean of its divisors is an integer number (104494808499177).

Almost surely, 2^{505620041125025} is an apocalyptic number.

It is an amenable number.

505620041125025 is a deficient number, since it is larger than the sum of its proper divisors (121348809870037).

505620041125025 is a wasteful number, since it uses less digits than its factorization.

505620041125025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20224801645011 (or 20224801645006 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 505620041125025 in words is "five hundred five trillion, six hundred twenty billion, forty-one million, one hundred twenty-five thousand, twenty-five".