505500005025 has 72 divisors (see below), whose sum is σ = 943189195520. Its totient is φ = 258509232000.

The previous prime is 505500004957. The next prime is 505500005027. The reversal of 505500005025 is 520500005505.

It is a happy number.

It is not a de Polignac number, because 505500005025 - 2¹⁴ = 505499988641 is a prime.

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 505500005025.

It is not an unprimeable number, because it can be changed into a prime (505500005027) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 427830 + ... + 1092720.

Almost surely, 2^505500005025 is an apocalyptic number.

It is an amenable number.

505500005025 is a deficient number, since it is larger than the sum of its proper divisors (437689190495).

505500005025 is a wasteful number, since it uses less digits than its factorization.

505500005025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665047 (or 665039 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 27.

The spelling of 505500005025 in words is "five hundred five billion, five hundred million, five thousand, twenty-five".