1131110323320 has 128 divisors (see below), whose sum is σ = 3654995731200. Its totient is φ = 279108716544.

The previous prime is 1131110323267. The next prime is 1131110323391. The reversal of 1131110323320 is 233230111311.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5670577 + ... + 5866656.

It is an arithmetic number, because the mean of its divisors is an integer number (28554654150).

Almost surely, 2^{1131110323320} is an apocalyptic number.

1131110323320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131110323320 is an abundant number, since it is smaller than the sum of its proper divisors (2523885407880).

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

1131110323320 is a wasteful number, since it uses less digits than its factorization.

1131110323320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11537309 (or 11537305 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1131110323320 its reverse (233230111311), we get a palindrome (1364340434631).

The spelling of 1131110323320 in words is "one trillion, one hundred thirty-one billion, one hundred ten million, three hundred twenty-three thousand, three hundred twenty".