505170220025 has 12 divisors (see below), whose sum is σ = 626807835600. Its totient is φ = 403880200080.

The previous prime is 505170220003. The next prime is 505170220033. The reversal of 505170220025 is 520022071505.

It is not a de Polignac number, because 505170220025 - 2¹² = 505170215929 is a prime.

It is a super-2 number, since 2×505170220025² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 505170220025.

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, 6359135 + ... + 6438084.

It is an arithmetic number, because the mean of its divisors is an integer number (52233986300).

Almost surely, 2^505170220025 is an apocalyptic number.

It is an amenable number.

505170220025 is a deficient number, since it is larger than the sum of its proper divisors (121637615575).

505170220025 is a wasteful number, since it uses less digits than its factorization.

505170220025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12798808 (or 12798803 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 29.

The spelling of 505170220025 in words is "five hundred five billion, one hundred seventy million, two hundred twenty thousand, twenty-five".