505785053525 has 24 divisors (see below), whose sum is σ = 666024990720. Its totient is φ = 379939472640.

The previous prime is 505785053513. The next prime is 505785053531. The reversal of 505785053525 is 525350587505.

It is not a de Polignac number, because 505785053525 - 2⁶ = 505785053461 is a prime.

It is a super-2 number, since 2×505785053525² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4657877 + ... + 4765226.

It is an arithmetic number, because the mean of its divisors is an integer number (27751041280).

Almost surely, 2^505785053525 is an apocalyptic number.

It is an amenable number.

505785053525 is a deficient number, since it is larger than the sum of its proper divisors (160239937195).

505785053525 is a wasteful number, since it uses less digits than its factorization.

505785053525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9423245 (or 9423240 counting only the distinct ones).

The product of its (nonzero) digits is 5250000, while the sum is 50.

The spelling of 505785053525 in words is "five hundred five billion, seven hundred eighty-five million, fifty-three thousand, five hundred twenty-five".