505527755025 has 48 divisors (see below), whose sum is σ = 842189400000. Its totient is φ = 267558946560.

The previous prime is 505527755021. The next prime is 505527755027. The reversal of 505527755025 is 520557725505.

It is not a de Polignac number, because 505527755025 - 2² = 505527755021 is a prime.

It is a super-2 number, since 2×505527755025² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (505527755021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12462226 + ... + 12502724.

It is an arithmetic number, because the mean of its divisors is an integer number (17545612500).

Almost surely, 2^505527755025 is an apocalyptic number.

It is an amenable number.

505527755025 is a deficient number, since it is larger than the sum of its proper divisors (336661644975).

505527755025 is a wasteful number, since it uses less digits than its factorization.

505527755025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41778 (or 41773 counting only the distinct ones).

The product of its (nonzero) digits is 3062500, while the sum is 48.

The spelling of 505527755025 in words is "five hundred five billion, five hundred twenty-seven million, seven hundred fifty-five thousand, twenty-five".