125045454341321 has 4 divisors (see below), whose sum is σ = 129079178674944. Its totient is φ = 121011730007700.

The previous prime is 125045454341317. The next prime is 125045454341323. The reversal of 125045454341321 is 123143454540521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125045454341321 - 2² = 125045454341317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125045454341323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2016862166765 + ... + 2016862166826.

It is an arithmetic number, because the mean of its divisors is an integer number (32269794668736).

Almost surely, 2^{125045454341321} is an apocalyptic number.

It is an amenable number.

125045454341321 is a deficient number, since it is larger than the sum of its proper divisors (4033724333623).

125045454341321 is an equidigital number, since it uses as much as digits as its factorization.

125045454341321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033724333622.

The product of its (nonzero) digits is 1152000, while the sum is 44.

The spelling of 125045454341321 in words is "one hundred twenty-five trillion, forty-five billion, four hundred fifty-four million, three hundred forty-one thousand, three hundred twenty-one".