1425613874545 has 12 divisors (see below), whose sum is σ = 1990040592564. Its totient is φ = 977563799520.

The previous prime is 1425613874533. The next prime is 1425613874561. The reversal of 1425613874545 is 5454783165241.

It can be written as a sum of positive squares in 2 ways, for example, as 742273571809 + 683340302736 = 861553^2 + 826644^2 .

It is not a de Polignac number, because 1425613874545 - 2²⁹ = 1425077003633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2909415826 + ... + 2909416315.

It is an arithmetic number, because the mean of its divisors is an integer number (165836716047).

Almost surely, 2^{1425613874545} is an apocalyptic number.

It is an amenable number.

1425613874545 is a deficient number, since it is larger than the sum of its proper divisors (564426718019).

1425613874545 is an equidigital number, since it uses as much as digits as its factorization.

1425613874545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5818832160 (or 5818832153 counting only the distinct ones).

The product of its digits is 16128000, while the sum is 55.

The spelling of 1425613874545 in words is "one trillion, four hundred twenty-five billion, six hundred thirteen million, eight hundred seventy-four thousand, five hundred forty-five".