1425444312215 has 16 divisors (see below), whose sum is σ = 2132612789760. Its totient is φ = 888588661920.

The previous prime is 1425444312181. The next prime is 1425444312277. The reversal of 1425444312215 is 5122134445241.

It is not a de Polignac number, because 1425444312215 - 2¹⁴ = 1425444295831 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1851225995 + ... + 1851226764.

It is an arithmetic number, because the mean of its divisors is an integer number (133288299360).

Almost surely, 2^{1425444312215} is an apocalyptic number.

1425444312215 is a deficient number, since it is larger than the sum of its proper divisors (707168477545).

1425444312215 is a wasteful number, since it uses less digits than its factorization.

1425444312215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3702452782.

The product of its digits is 153600, while the sum is 38.

Adding to 1425444312215 its reverse (5122134445241), we get a palindrome (6547578757456).

The spelling of 1425444312215 in words is "one trillion, four hundred twenty-five billion, four hundred forty-four million, three hundred twelve thousand, two hundred fifteen".