1111313143040 has 72 divisors (see below), whose sum is σ = 2663123430240. Its totient is φ = 444328011776.

The previous prime is 1111313142949. The next prime is 1111313143097. The reversal of 1111313143040 is 403413131111.

It is a junction number, because it is equal to n+sod(n) for n = 1111313142997 and 1111313143015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2710271 + ... + 3093249.

It is an arithmetic number, because the mean of its divisors is an integer number (36987825420).

Almost surely, 2^{1111313143040} is an apocalyptic number.

1111313143040 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 1111313143040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1331561715120).

1111313143040 is an abundant number, since it is smaller than the sum of its proper divisors (1551810287200).

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

1111313143040 is an equidigital number, since it uses as much as digits as its factorization.

1111313143040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385267 (or 385253 counting only the distinct ones).

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

Adding to 1111313143040 its reverse (403413131111), we get a palindrome (1514726274151).

The spelling of 1111313143040 in words is "one trillion, one hundred eleven billion, three hundred thirteen million, one hundred forty-three thousand, forty".