13423551450125 has 16 divisors (see below), whose sum is σ = 16753766523312. Its totient is φ = 10738088395200.

The previous prime is 13423551450109. The next prime is 13423551450131. The reversal of 13423551450125 is 52105415532431.

It can be written as a sum of positive squares in 8 ways, for example, as 4463999901124 + 8959551549001 = 2112818^2 + 2993251^2 .

It is not a de Polignac number, because 13423551450125 - 2⁴ = 13423551450109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1970054 + ... + 5543303.

It is an arithmetic number, because the mean of its divisors is an integer number (1047110407707).

Almost surely, 2^{13423551450125} is an apocalyptic number.

It is an amenable number.

13423551450125 is a deficient number, since it is larger than the sum of its proper divisors (3330215073187).

13423551450125 is an equidigital number, since it uses as much as digits as its factorization.

13423551450125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7527665 (or 7527655 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 41.

Adding to 13423551450125 its reverse (52105415532431), we get a palindrome (65528966982556).

The spelling of 13423551450125 in words is "thirteen trillion, four hundred twenty-three billion, five hundred fifty-one million, four hundred fifty thousand, one hundred twenty-five".