5625352013121 has 24 divisors (see below), whose sum is σ = 8258886854504. Its totient is φ = 3688677999360.

The previous prime is 5625352013093. The next prime is 5625352013161. The reversal of 5625352013121 is 1213102535265.

5625352013121 is a `hidden beast` number, since 5 + 6 + 2 + 5 + 3 + 520 + 1 + 3 + 121 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 14991308721 + 5610360704400 = 122439^2 + 2368620^2 .

It is not a de Polignac number, because 5625352013121 - 2⁵ = 5625352013089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5625352013161) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 39048195 + ... + 39191991.

Almost surely, 2^{5625352013121} is an apocalyptic number.

It is an amenable number.

5625352013121 is a deficient number, since it is larger than the sum of its proper divisors (2633534841383).

5625352013121 is a wasteful number, since it uses less digits than its factorization.

5625352013121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215121 (or 215118 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 5625352013121 its reverse (1213102535265), we get a palindrome (6838454548386).

The spelling of 5625352013121 in words is "five trillion, six hundred twenty-five billion, three hundred fifty-two million, thirteen thousand, one hundred twenty-one".