1125331130000 has 400 divisors, whose sum is σ = 3435203882880. Its totient is φ = 346790400000.

The previous prime is 1125331129927. The next prime is 1125331130023. The reversal of 1125331130000 is 311335211.

It is a tau number, because it is divible by the number of its divisors (400).

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 68521790 + ... + 68538210.

Almost surely, 2^{1125331130000} is an apocalyptic number.

1125331130000 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 1125331130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1717601941440).

1125331130000 is an abundant number, since it is smaller than the sum of its proper divisors (2309872752880).

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

1125331130000 is a wasteful number, since it uses less digits than its factorization.

1125331130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16556 (or 16535 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

Adding to 1125331130000 its reverse (311335211), we get a palindrome (1125642465211).

The spelling of 1125331130000 in words is "one trillion, one hundred twenty-five billion, three hundred thirty-one million, one hundred thirty thousand".