1252452321055 has 8 divisors (see below), whose sum is σ = 1618553768832. Its totient is φ = 924887867808.

The previous prime is 1252452321049. The next prime is 1252452321077. The reversal of 1252452321055 is 5501232542521.

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 1252452321055 - 2⁷ = 1252452320927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9634248559 + ... + 9634248688.

It is an arithmetic number, because the mean of its divisors is an integer number (202319221104).

Almost surely, 2^{1252452321055} is an apocalyptic number.

1252452321055 is a deficient number, since it is larger than the sum of its proper divisors (366101447777).

1252452321055 is a wasteful number, since it uses less digits than its factorization.

1252452321055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19268497265.

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 1252452321055 its reverse (5501232542521), we get a palindrome (6753684863576).

The spelling of 1252452321055 in words is "one trillion, two hundred fifty-two billion, four hundred fifty-two million, three hundred twenty-one thousand, fifty-five".