1552553221112 has 96 divisors (see below), whose sum is σ = 3011882515920. Its totient is φ = 749972805120.

The previous prime is 1552553221099. The next prime is 1552553221183. The reversal of 1552553221112 is 2111223552551.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3687774662 + ... + 3687775082.

Almost surely, 2^{1552553221112} is an apocalyptic number.

It is an amenable number.

1552553221112 is a deficient number, since it is larger than the sum of its proper divisors (1459329294808).

1552553221112 is an equidigital number, since it uses as much as digits as its factorization.

1552553221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181 (or 870 counting only the distinct ones).

The product of its digits is 30000, while the sum is 35.

Adding to 1552553221112 its reverse (2111223552551), we get a palindrome (3663776773663).

The spelling of 1552553221112 in words is "one trillion, five hundred fifty-two billion, five hundred fifty-three million, two hundred twenty-one thousand, one hundred twelve".