1225553032432 has 10 divisors (see below), whose sum is σ = 2374509000368. Its totient is φ = 612776516208.

The previous prime is 1225553032427. The next prime is 1225553032453. The reversal of 1225553032432 is 2342303555221.

It is a junction number, because it is equal to n+sod(n) for n = 1225553032391 and 1225553032400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38298532248 + ... + 38298532279.

Almost surely, 2^{1225553032432} is an apocalyptic number.

It is an amenable number.

1225553032432 is a deficient number, since it is larger than the sum of its proper divisors (1148955967936).

1225553032432 is an equidigital number, since it uses as much as digits as its factorization.

1225553032432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76597064535 (or 76597064529 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 1225553032432 its reverse (2342303555221), we get a palindrome (3567856587653).

The spelling of 1225553032432 in words is "one trillion, two hundred twenty-five billion, five hundred fifty-three million, thirty-two thousand, four hundred thirty-two".