105521225312 has 48 divisors (see below), whose sum is σ = 215137581120. Its totient is φ = 50912679552.

The previous prime is 105521225309. The next prime is 105521225339. The reversal of 105521225312 is 213522125501.

It is a happy number.

105521225312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×105521225312² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347762 + ... + 576177.

It is an arithmetic number, because the mean of its divisors is an integer number (4482032940).

Almost surely, 2^105521225312 is an apocalyptic number.

It is an amenable number.

105521225312 is an abundant number, since it is smaller than the sum of its proper divisors (109616355808).

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

105521225312 is an equidigital number, since it uses as much as digits as its factorization.

105521225312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924075 (or 924067 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 105521225312 in words is "one hundred five billion, five hundred twenty-one million, two hundred twenty-five thousand, three hundred twelve".