1131234024320 has 128 divisors (see below), whose sum is σ = 2714665536000. Its totient is φ = 450772051968.

The previous prime is 1131234024293. The next prime is 1131234024343. The reversal of 1131234024320 is 234204321311.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-3 number, since 3×1131234024320³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1131234024320.

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, 208750571 + ... + 208755989.

It is an arithmetic number, because the mean of its divisors is an integer number (21208324500).

Almost surely, 2^{1131234024320} is an apocalyptic number.

1131234024320 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 1131234024320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1357332768000).

1131234024320 is an abundant number, since it is smaller than the sum of its proper divisors (1583431511680).

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

1131234024320 is an equidigital number, since it uses as much as digits as its factorization.

1131234024320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6620 (or 6608 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1131234024320 its reverse (234204321311), we get a palindrome (1365438345631).

The spelling of 1131234024320 in words is "one trillion, one hundred thirty-one billion, two hundred thirty-four million, twenty-four thousand, three hundred twenty".