1425253254544 has 80 divisors (see below), whose sum is σ = 3173340544000. Its totient is φ = 607453748352.

The previous prime is 1425253254497. The next prime is 1425253254599. The reversal of 1425253254544 is 4454523525241.

It is a junction number, because it is equal to n+sod(n) for n = 1425253254494 and 1425253254503.

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, 48550879 + ... + 48580225.

It is an arithmetic number, because the mean of its divisors is an integer number (39666756800).

Almost surely, 2^{1425253254544} is an apocalyptic number.

1425253254544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1425253254544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1586670272000).

1425253254544 is an abundant number, since it is smaller than the sum of its proper divisors (1748087289456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1425253254544 is a wasteful number, since it uses less digits than its factorization.

1425253254544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31740 (or 31734 counting only the distinct ones).

The product of its digits is 3840000, while the sum is 46.

Adding to 1425253254544 its reverse (4454523525241), we get a palindrome (5879776779785).

The spelling of 1425253254544 in words is "one trillion, four hundred twenty-five billion, two hundred fifty-three million, two hundred fifty-four thousand, five hundred forty-four".