1425366561403 has 16 divisors (see below), whose sum is σ = 1468979388576. Its totient is φ = 1382187663360.

The previous prime is 1425366561373. The next prime is 1425366561413. The reversal of 1425366561403 is 3041656635241.

It is a cyclic number.

It is not a de Polignac number, because 1425366561403 - 2¹⁷ = 1425366430331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1425366561413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9045576 + ... + 9201802.

It is an arithmetic number, because the mean of its divisors is an integer number (91811211786).

Almost surely, 2^{1425366561403} is an apocalyptic number.

1425366561403 is a deficient number, since it is larger than the sum of its proper divisors (43612827173).

1425366561403 is a wasteful number, since it uses less digits than its factorization.

1425366561403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157614.

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 1425366561403 in words is "one trillion, four hundred twenty-five billion, three hundred sixty-six million, five hundred sixty-one thousand, four hundred three".