1125445566208 has 36 divisors (see below), whose sum is σ = 2268737436168. Its totient is φ = 557151257600.

The previous prime is 1125445566197. The next prime is 1125445566221. The reversal of 1125445566208 is 8026655445211.

It is a super-2 number, since 2×1125445566208² (a number of 25 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 3 ways as a sum of consecutive naturals, for example, 21737866 + ... + 21789577.

It is an arithmetic number, because the mean of its divisors is an integer number (63020484338).

Almost surely, 2^{1125445566208} is an apocalyptic number.

It is an amenable number.

1125445566208 is an abundant number, since it is smaller than the sum of its proper divisors (1143291869960).

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

1125445566208 is an equidigital number, since it uses as much as digits as its factorization.

1125445566208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43527560 (or 43527546 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 49.

The spelling of 1125445566208 in words is "one trillion, one hundred twenty-five billion, four hundred forty-five million, five hundred sixty-six thousand, two hundred eight".