1111132331420 has 96 divisors (see below), whose sum is σ = 2472422400000. Its totient is φ = 418816919808.

The previous prime is 1111132331417. The next prime is 1111132331447. The reversal of 1111132331420 is 241332311111.

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, 4639781 + ... + 4873379.

It is an arithmetic number, because the mean of its divisors is an integer number (25754400000).

Almost surely, 2^{1111132331420} is an apocalyptic number.

1111132331420 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 1111132331420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1236211200000).

1111132331420 is an abundant number, since it is smaller than the sum of its proper divisors (1361290068580).

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

1111132331420 is a wasteful number, since it uses less digits than its factorization.

1111132331420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233835 (or 233833 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 1111132331420 its reverse (241332311111), we get a palindrome (1352464642531).

The spelling of 1111132331420 in words is "one trillion, one hundred eleven billion, one hundred thirty-two million, three hundred thirty-one thousand, four hundred twenty".