1425615251387 has 2 divisors, whose sum is σ = 1425615251388. Its totient is φ = 1425615251386.

The previous prime is 1425615251363. The next prime is 1425615251393. The reversal of 1425615251387 is 7831525165241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1425615251387 - 2¹⁶ = 1425615185851 is a prime.

It is not a weakly prime, because it can be changed into another prime (1425615251587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712807625693 + 712807625694.

It is an arithmetic number, because the mean of its divisors is an integer number (712807625694).

Almost surely, 2^{1425615251387} is an apocalyptic number.

1425615251387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425615251387 is an equidigital number, since it uses as much as digits as its factorization.

1425615251387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016000, while the sum is 50.

The spelling of 1425615251387 in words is "one trillion, four hundred twenty-five billion, six hundred fifteen million, two hundred fifty-one thousand, three hundred eighty-seven".