1131447213000 has 384 divisors, whose sum is σ = 4122443445120. Its totient is φ = 278241292800.

The previous prime is 1131447212999. The next prime is 1131447213007. The reversal of 1131447213000 is 3127441311.

1131447213000 is a `hidden beast` number, since 1 + 1 + 3 + 1 + 447 + 213 + 0 + 0 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (1131447213007) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 138874927 + ... + 138883073.

It is an arithmetic number, because the mean of its divisors is an integer number (10735529805).

Almost surely, 2^{1131447213000} is an apocalyptic number.

1131447213000 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 1131447213000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2061221722560).

1131447213000 is an abundant number, since it is smaller than the sum of its proper divisors (2990996232120).

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

1131447213000 is a wasteful number, since it uses less digits than its factorization.

1131447213000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9374 (or 9357 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The spelling of 1131447213000 in words is "one trillion, one hundred thirty-one billion, four hundred forty-seven million, two hundred thirteen thousand".