504140025133521 has 32 divisors (see below), whose sum is σ = 853887372721920. Its totient is φ = 287973040430592.

The previous prime is 504140025133519. The next prime is 504140025133529. The reversal of 504140025133521 is 125331520041405.

504140025133521 is a `hidden beast` number, since 5 + 0 + 41 + 40 + 0 + 2 + 51 + 3 + 3 + 521 = 666.

It is not a de Polignac number, because 504140025133521 - 2¹ = 504140025133519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (504140025133529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 494739360 + ... + 495757313.

It is an arithmetic number, because the mean of its divisors is an integer number (26683980397560).

Almost surely, 2^{504140025133521} is an apocalyptic number.

It is an amenable number.

504140025133521 is a deficient number, since it is larger than the sum of its proper divisors (349747347588399).

504140025133521 is a wasteful number, since it uses less digits than its factorization.

504140025133521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990499382 (or 990499376 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 504140025133521 its reverse (125331520041405), we get a palindrome (629471545174926).

The spelling of 504140025133521 in words is "five hundred four trillion, one hundred forty billion, twenty-five million, one hundred thirty-three thousand, five hundred twenty-one".