1125223550000 has 240 divisors, whose sum is σ = 2978849278944. Its totient is φ = 408326400000.

The previous prime is 1125223549993. The next prime is 1125223550021. The reversal of 1125223550000 is 553225211.

It is a super-2 number, since 2×1125223550000² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 306348164 + ... + 306351836.

Almost surely, 2^{1125223550000} is an apocalyptic number.

1125223550000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1125223550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1489424639472).

1125223550000 is an abundant number, since it is smaller than the sum of its proper divisors (1853625728944).

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

1125223550000 is an equidigital number, since it uses as much as digits as its factorization.

1125223550000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4274 (or 4248 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 1125223550000 its reverse (553225211), we get a palindrome (1125776775211).

The spelling of 1125223550000 in words is "one trillion, one hundred twenty-five billion, two hundred twenty-three million, five hundred fifty thousand".