254344021125125 has 16 divisors (see below), whose sum is σ = 317484182418624. Its totient is φ = 203434932250000.

The previous prime is 254344021125109. The next prime is 254344021125127. The reversal of 254344021125125 is 521521120443452.

It is not a de Polignac number, because 254344021125125 - 2⁴ = 254344021125109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254344021125127) 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, 200789351 + ... + 202052100.

It is an arithmetic number, because the mean of its divisors is an integer number (19842761401164).

Almost surely, 2^{254344021125125} is an apocalyptic number.

254344021125125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

254344021125125 is a deficient number, since it is larger than the sum of its proper divisors (63140161293499).

254344021125125 is an equidigital number, since it uses as much as digits as its factorization.

254344021125125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402846517 (or 402846507 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 41.

Adding to 254344021125125 its reverse (521521120443452), we get a palindrome (775865141568577).

The spelling of 254344021125125 in words is "two hundred fifty-four trillion, three hundred forty-four billion, twenty-one million, one hundred twenty-five thousand, one hundred twenty-five".