253104202153521 has 12 divisors (see below), whose sum is σ = 365992776913920. Its totient is φ = 168552526347000.

The previous prime is 253104202153427. The next prime is 253104202153529. The reversal of 253104202153521 is 125351202401352.

253104202153521 is a `hidden beast` number, since 2 + 5 + 3 + 10 + 420 + 215 + 3 + 5 + 2 + 1 = 666.

It is not a de Polignac number, because 253104202153521 - 2¹⁰ = 253104202152497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253104202153529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15300693105 + ... + 15300709646.

It is an arithmetic number, because the mean of its divisors is an integer number (30499398076160).

Almost surely, 2^{253104202153521} is an apocalyptic number.

It is an amenable number.

253104202153521 is a deficient number, since it is larger than the sum of its proper divisors (112888574760399).

253104202153521 is a wasteful number, since it uses less digits than its factorization.

253104202153521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30601403676 (or 30601403673 counting only the distinct ones).

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

Adding to 253104202153521 its reverse (125351202401352), we get a palindrome (378455404554873).

The spelling of 253104202153521 in words is "two hundred fifty-three trillion, one hundred four billion, two hundred two million, one hundred fifty-three thousand, five hundred twenty-one".