1252751525139 has 8 divisors (see below), whose sum is σ = 1670341095360. Its totient is φ = 835164819176.

The previous prime is 1252751525117. The next prime is 1252751525141. The reversal of 1252751525139 is 9315251572521.

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 1252751525139 - 2⁵ = 1252751525107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1252751525149) 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, 710464 + ... + 1735010.

It is an arithmetic number, because the mean of its divisors is an integer number (208792636920).

Almost surely, 2^{1252751525139} is an apocalyptic number.

1252751525139 is a deficient number, since it is larger than the sum of its proper divisors (417589570221).

1252751525139 is a wasteful number, since it uses less digits than its factorization.

1252751525139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432129.

The product of its digits is 945000, while the sum is 48.

The spelling of 1252751525139 in words is "one trillion, two hundred fifty-two billion, seven hundred fifty-one million, five hundred twenty-five thousand, one hundred thirty-nine".