1425420451005 has 16 divisors (see below), whose sum is σ = 2359316609280. Its totient is φ = 734009611328.

The previous prime is 1425420450989. The next prime is 1425420451027. The reversal of 1425420451005 is 5001540245241.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1425420451005 - 2⁴ = 1425420450989 is a prime.

It is a congruent number.

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, 1638413877 + ... + 1638414746.

It is an arithmetic number, because the mean of its divisors is an integer number (147457288080).

Almost surely, 2^{1425420451005} is an apocalyptic number.

1425420451005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1425420451005 is a deficient number, since it is larger than the sum of its proper divisors (933896158275).

1425420451005 is a wasteful number, since it uses less digits than its factorization.

1425420451005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276828660.

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 1425420451005 its reverse (5001540245241), we get a palindrome (6426960696246).

The spelling of 1425420451005 in words is "one trillion, four hundred twenty-five billion, four hundred twenty million, four hundred fifty-one thousand, five".