1425241251215 has 4 divisors (see below), whose sum is σ = 1710289501464. Its totient is φ = 1140193000968.

The previous prime is 1425241251209. The next prime is 1425241251241. The reversal of 1425241251215 is 5121521425241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1425241251215 - 2¹² = 1425241247119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142524125117 + ... + 142524125126.

It is an arithmetic number, because the mean of its divisors is an integer number (427572375366).

Almost surely, 2^{1425241251215} is an apocalyptic number.

1425241251215 is a deficient number, since it is larger than the sum of its proper divisors (285048250249).

1425241251215 is an equidigital number, since it uses as much as digits as its factorization.

1425241251215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285048250248.

The product of its digits is 32000, while the sum is 35.

Adding to 1425241251215 its reverse (5121521425241), we get a palindrome (6546762676456).

The spelling of 1425241251215 in words is "one trillion, four hundred twenty-five billion, two hundred forty-one million, two hundred fifty-one thousand, two hundred fifteen".