1235444425425 has 144 divisors (see below), whose sum is σ = 2551585795200. Its totient is φ = 559733253120.

The previous prime is 1235444425321. The next prime is 1235444425441. The reversal of 1235444425425 is 5245244445321.

1235444425425 is a `hidden beast` number, since 1 + 2 + 3 + 544 + 44 + 25 + 42 + 5 = 666.

It is not a de Polignac number, because 1235444425425 - 2⁷ = 1235444425297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 109587589 + ... + 109598861.

It is an arithmetic number, because the mean of its divisors is an integer number (17719345800).

Almost surely, 2^{1235444425425} is an apocalyptic number.

1235444425425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1235444425425 is an abundant number, since it is smaller than the sum of its proper divisors (1316141369775).

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

1235444425425 is a wasteful number, since it uses less digits than its factorization.

1235444425425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11912 (or 11904 counting only the distinct ones).

The product of its digits is 3072000, while the sum is 45.

The spelling of 1235444425425 in words is "one trillion, two hundred thirty-five billion, four hundred forty-four million, four hundred twenty-five thousand, four hundred twenty-five".