1225553025434 has 8 divisors (see below), whose sum is σ = 1840184565888. Its totient is φ = 612158170140.

The previous prime is 1225553025421. The next prime is 1225553025439. The reversal of 1225553025434 is 4345203555221.

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

It is a junction number, because it is equal to n+sod(n) for n = 1225553025391 and 1225553025400.

It is not an unprimeable number, because it can be changed into a prime (1225553025439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309168812 + ... + 309172775.

It is an arithmetic number, because the mean of its divisors is an integer number (230023070736).

Almost surely, 2^{1225553025434} is an apocalyptic number.

1225553025434 is a deficient number, since it is larger than the sum of its proper divisors (614631540454).

1225553025434 is an equidigital number, since it uses as much as digits as its factorization.

1225553025434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618342580.

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 1225553025434 in words is "one trillion, two hundred twenty-five billion, five hundred fifty-three million, twenty-five thousand, four hundred thirty-four".