1425066225642 has 12 divisors (see below), whose sum is σ = 3087643488930. Its totient is φ = 475022075208.

The previous prime is 1425066225641. The next prime is 1425066225679. The reversal of 1425066225642 is 2465226605241.

1425066225642 is a `hidden beast` number, since 1 + 4 + 2 + 5 + 0 + 66 + 22 + 564 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 959026531401 + 466039694241 = 979299^2 + 682671^2 .

It is not an unprimeable number, because it can be changed into a prime (1425066225641) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 39585172917 + ... + 39585172952.

Almost surely, 2^{1425066225642} is an apocalyptic number.

1425066225642 is an abundant number, since it is smaller than the sum of its proper divisors (1662577263288).

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

1425066225642 is a wasteful number, since it uses less digits than its factorization.

1425066225642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79170345877 (or 79170345874 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 1425066225642 in words is "one trillion, four hundred twenty-five billion, sixty-six million, two hundred twenty-five thousand, six hundred forty-two".