1131131224032 has 96 divisors (see below), whose sum is σ = 2998613479680. Its totient is φ = 373312558080.

The previous prime is 1131131224021. The next prime is 1131131224123. The reversal of 1131131224032 is 2304221311311.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1131131223993 and 1131131224011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91368819 + ... + 91381197.

It is an arithmetic number, because the mean of its divisors is an integer number (31235557080).

Almost surely, 2^{1131131224032} is an apocalyptic number.

1131131224032 is a gapful number since it is divisible by the number (12) 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 1131131224032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1499306739840).

1131131224032 is an abundant number, since it is smaller than the sum of its proper divisors (1867482255648).

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

1131131224032 is a wasteful number, since it uses less digits than its factorization.

1131131224032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21736 (or 21728 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1131131224032 its reverse (2304221311311), we get a palindrome (3435352535343).

The spelling of 1131131224032 in words is "one trillion, one hundred thirty-one billion, one hundred thirty-one million, two hundred twenty-four thousand, thirty-two".