1131102344320 has 192 divisors, whose sum is σ = 2945018817000. Its totient is φ = 415216828416.

The previous prime is 1131102344311. The next prime is 1131102344389. The reversal of 1131102344320 is 234432011311.

It can be written as a sum of positive squares in 12 ways, for example, as 3649126464 + 1127453217856 = 60408^2 + 1061816^2 .

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, 18681456 + ... + 18741904.

Almost surely, 2^{1131102344320} is an apocalyptic number.

1131102344320 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 1131102344320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1472509408500).

1131102344320 is an abundant number, since it is smaller than the sum of its proper divisors (1813916472680).

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

1131102344320 is a wasteful number, since it uses less digits than its factorization.

1131102344320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60667 (or 60642 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1131102344320 its reverse (234432011311), we get a palindrome (1365534355631).

The spelling of 1131102344320 in words is "one trillion, one hundred thirty-one billion, one hundred two million, three hundred forty-four thousand, three hundred twenty".