1125225200000 has 192 divisors, whose sum is σ = 3056624832240. Its totient is φ = 409171200000.

The previous prime is 1125225199909. The next prime is 1125225200027. The reversal of 1125225200000 is 25225211.

It is a happy number.

It is a super-2 number, since 2×1125225200000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4272134 + ... + 4527866.

Almost surely, 2^{1125225200000} is an apocalyptic number.

1125225200000 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 1125225200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1528312416120).

1125225200000 is an abundant number, since it is smaller than the sum of its proper divisors (1931399632240).

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

1125225200000 is an frugal number, since it uses more digits than its factorization.

1125225200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255783 (or 255751 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

It can be divided in two parts, 11252 and 25200000, that added together give a palindrome (25211252).

The spelling of 1125225200000 in words is "one trillion, one hundred twenty-five billion, two hundred twenty-five million, two hundred thousand".