125352121253521 has 8 divisors (see below), whose sum is σ = 129537260005824. Its totient is φ = 121224708553200.

The previous prime is 125352121253519. The next prime is 125352121253531.

125352121253521 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125352121253521 - 2¹ = 125352121253519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125352121253531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14431508581 + ... + 14431517266.

It is an arithmetic number, because the mean of its divisors is an integer number (16192157500728).

Almost surely, 2^{125352121253521} is an apocalyptic number.

It is an amenable number.

125352121253521 is a deficient number, since it is larger than the sum of its proper divisors (4185138752303).

125352121253521 is a wasteful number, since it uses less digits than its factorization.

125352121253521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28863025991.

The product of its digits is 180000, while the sum is 40.

The spelling of 125352121253521 in words is "one hundred twenty-five trillion, three hundred fifty-two billion, one hundred twenty-one million, two hundred fifty-three thousand, five hundred twenty-one".