16231134144625 has 16 divisors (see below), whose sum is σ = 20260862580816. Its totient is φ = 12982082208000.

The previous prime is 16231134144607. The next prime is 16231134144629. The reversal of 16231134144625 is 52644143113261.

16231134144625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 14291431720801 + 1939702423824 = 3780401^2 + 1392732^2 .

It is not a de Polignac number, because 16231134144625 - 2⁵ = 16231134144593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16231134144629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13548616 + ... + 14697865.

It is an arithmetic number, because the mean of its divisors is an integer number (1266303911301).

Almost surely, 2^{16231134144625} is an apocalyptic number.

It is an amenable number.

16231134144625 is a deficient number, since it is larger than the sum of its proper divisors (4029728436191).

16231134144625 is an equidigital number, since it uses as much as digits as its factorization.

16231134144625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28251093 (or 28251083 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

Adding to 16231134144625 its reverse (52644143113261), we get a palindrome (68875277257886).

The spelling of 16231134144625 in words is "sixteen trillion, two hundred thirty-one billion, one hundred thirty-four million, one hundred forty-four thousand, six hundred twenty-five".