504120685284505 has 8 divisors (see below), whose sum is σ = 604999852410312. Its totient is φ = 403259861515008.

The previous prime is 504120685284499. The next prime is 504120685284511. The reversal of 504120685284505 is 505482586021405.

It is an interprime number because it is at equal distance from previous prime (504120685284499) and next prime (504120685284511).

It can be written as a sum of positive squares in 4 ways, for example, as 13329121922649 + 490791563361856 = 3650907^2 + 22153816^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 504120685284505 - 2³⁹ = 503570929470617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4585778614 + ... + 4585888543.

It is an arithmetic number, because the mean of its divisors is an integer number (75624981551289).

Almost surely, 2^{504120685284505} is an apocalyptic number.

It is an amenable number.

504120685284505 is a deficient number, since it is larger than the sum of its proper divisors (100879167125807).

504120685284505 is a wasteful number, since it uses less digits than its factorization.

504120685284505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9171678155.

The product of its (nonzero) digits is 15360000, while the sum is 55.

The spelling of 504120685284505 in words is "five hundred four trillion, one hundred twenty billion, six hundred eighty-five million, two hundred eighty-four thousand, five hundred five".