505530255525 has 12 divisors (see below), whose sum is σ = 835810022592. Its totient is φ = 269616136240.

The previous prime is 505530255493. The next prime is 505530255541. The reversal of 505530255525 is 525552035505.

It is a happy number.

It is not a de Polignac number, because 505530255525 - 2⁵ = 505530255493 is a prime.

It is a congruent number.

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, 3370201629 + ... + 3370201778.

It is an arithmetic number, because the mean of its divisors is an integer number (69650835216).

Almost surely, 2^505530255525 is an apocalyptic number.

It is an amenable number.

505530255525 is a deficient number, since it is larger than the sum of its proper divisors (330279767067).

505530255525 is a wasteful number, since it uses less digits than its factorization.

505530255525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6740403420 (or 6740403415 counting only the distinct ones).

The product of its (nonzero) digits is 937500, while the sum is 42.

The spelling of 505530255525 in words is "five hundred five billion, five hundred thirty million, two hundred fifty-five thousand, five hundred twenty-five".