1725050667121 has 4 divisors (see below), whose sum is σ = 1730597454144. Its totient is φ = 1719503880100.

The previous prime is 1725050667097. The next prime is 1725050667143. The reversal of 1725050667121 is 1217660505271.

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 1725050667121 - 2¹⁹ = 1725050142833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1725050667181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2773393045 + ... + 2773393666.

It is an arithmetic number, because the mean of its divisors is an integer number (432649363536).

Almost surely, 2^{1725050667121} is an apocalyptic number.

It is an amenable number.

1725050667121 is a deficient number, since it is larger than the sum of its proper divisors (5546787023).

1725050667121 is an equidigital number, since it uses as much as digits as its factorization.

1725050667121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5546787022.

The product of its (nonzero) digits is 176400, while the sum is 43.

The spelling of 1725050667121 in words is "one trillion, seven hundred twenty-five billion, fifty million, six hundred sixty-seven thousand, one hundred twenty-one".