504251005505 has 8 divisors (see below), whose sum is σ = 651647453352. Its totient is φ = 372369973248.

The previous prime is 504251005487. The next prime is 504251005507. The reversal of 504251005505 is 505500152405.

It can be written as a sum of positive squares in 4 ways, for example, as 9885927184 + 494365078321 = 99428^2 + 703111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 504251005505 - 2⁸ = 504251005249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (504251005507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3878853824 + ... + 3878853953.

It is an arithmetic number, because the mean of its divisors is an integer number (81455931669).

Almost surely, 2^504251005505 is an apocalyptic number.

It is an amenable number.

504251005505 is a deficient number, since it is larger than the sum of its proper divisors (147396447847).

504251005505 is a wasteful number, since it uses less digits than its factorization.

504251005505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7757707795.

The product of its (nonzero) digits is 25000, while the sum is 32.

The spelling of 504251005505 in words is "five hundred four billion, two hundred fifty-one million, five thousand, five hundred five".