505365426425 has 48 divisors (see below), whose sum is σ = 677810903040. Its totient is φ = 372349885440.

The previous prime is 505365426413. The next prime is 505365426469. The reversal of 505365426425 is 524624563505.

It is not a de Polignac number, because 505365426425 - 2²⁰ = 505364377849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505365426425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8597786 + ... + 8656364.

It is an arithmetic number, because the mean of its divisors is an integer number (14121060480).

Almost surely, 2^505365426425 is an apocalyptic number.

It is an amenable number.

505365426425 is a deficient number, since it is larger than the sum of its proper divisors (172445476615).

505365426425 is a wasteful number, since it uses less digits than its factorization.

505365426425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59042 (or 59037 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 47.

The spelling of 505365426425 in words is "five hundred five billion, three hundred sixty-five million, four hundred twenty-six thousand, four hundred twenty-five".