1252513402215 has 8 divisors (see below), whose sum is σ = 2004021443568. Its totient is φ = 668007147840.

The previous prime is 1252513402187. The next prime is 1252513402237. The reversal of 1252513402215 is 5122043152521.

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

It is not a de Polignac number, because 1252513402215 - 2¹² = 1252513398119 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, 41750446726 + ... + 41750446755.

It is an arithmetic number, because the mean of its divisors is an integer number (250502680446).

Almost surely, 2^{1252513402215} is an apocalyptic number.

1252513402215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1252513402215 is a deficient number, since it is larger than the sum of its proper divisors (751508041353).

1252513402215 is an equidigital number, since it uses as much as digits as its factorization.

1252513402215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83500893489.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 1252513402215 its reverse (5122043152521), we get a palindrome (6374556554736).

The spelling of 1252513402215 in words is "one trillion, two hundred fifty-two billion, five hundred thirteen million, four hundred two thousand, two hundred fifteen".