1425040432321 has 8 divisors (see below), whose sum is σ = 1554598272384. Its totient is φ = 1295484043920.

The previous prime is 1425040432289. The next prime is 1425040432327. The reversal of 1425040432321 is 1232340405241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1425040432321 - 2⁵ = 1425040432289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1425040432327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3276760 + ... + 3686086.

It is an arithmetic number, because the mean of its divisors is an integer number (194324784048).

Almost surely, 2^{1425040432321} is an apocalyptic number.

1425040432321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1425040432321 is a deficient number, since it is larger than the sum of its proper divisors (129557840063).

1425040432321 is a wasteful number, since it uses less digits than its factorization.

1425040432321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725831.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 1425040432321 its reverse (1232340405241), we get a palindrome (2657380837562).

The spelling of 1425040432321 in words is "one trillion, four hundred twenty-five billion, forty million, four hundred thirty-two thousand, three hundred twenty-one".