1425504213544 has 32 divisors (see below), whose sum is σ = 2832217427520. Its totient is φ = 670310597376.

The previous prime is 1425504213509. The next prime is 1425504213569. The reversal of 1425504213544 is 4453124055241.

It is a junction number, because it is equal to n+sod(n) for n = 1425504213497 and 1425504213506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3844914 + ... + 4199329.

It is an arithmetic number, because the mean of its divisors is an integer number (88506794610).

Almost surely, 2^{1425504213544} is an apocalyptic number.

It is an amenable number.

1425504213544 is a deficient number, since it is larger than the sum of its proper divisors (1406713213976).

1425504213544 is a wasteful number, since it uses less digits than its factorization.

1425504213544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8045569 (or 8045565 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 1425504213544 its reverse (4453124055241), we get a palindrome (5878628268785).

The spelling of 1425504213544 in words is "one trillion, four hundred twenty-five billion, five hundred four million, two hundred thirteen thousand, five hundred forty-four".