6631144025121 has 48 divisors (see below), whose sum is σ = 12219516840960. Its totient is φ = 3364639659360.

The previous prime is 6631144025083. The next prime is 6631144025141. The reversal of 6631144025121 is 1215204411366.

6631144025121 is a `hidden beast` number, since 6 + 63 + 11 + 440 + 25 + 121 = 666.

It is not a de Polignac number, because 6631144025121 - 2⁶ = 6631144025057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6631144025141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 111234741 + ... + 111294338.

It is an arithmetic number, because the mean of its divisors is an integer number (254573267520).

Almost surely, 2^{6631144025121} is an apocalyptic number.

It is an amenable number.

6631144025121 is a deficient number, since it is larger than the sum of its proper divisors (5588372815839).

6631144025121 is a wasteful number, since it uses less digits than its factorization.

6631144025121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222529146 (or 222529143 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

Adding to 6631144025121 its reverse (1215204411366), we get a palindrome (7846348436487).

The spelling of 6631144025121 in words is "six trillion, six hundred thirty-one billion, one hundred forty-four million, twenty-five thousand, one hundred twenty-one".