1120111304240 has 80 divisors (see below), whose sum is σ = 2657962870560. Its totient is φ = 438859960320.

The previous prime is 1120111304101. The next prime is 1120111304327. The reversal of 1120111304240 is 424031110211.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 879080 + ... + 1735800.

It is an arithmetic number, because the mean of its divisors is an integer number (33224535882).

Almost surely, 2^{1120111304240} is an apocalyptic number.

1120111304240 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 1120111304240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1328981435280).

1120111304240 is an abundant number, since it is smaller than the sum of its proper divisors (1537851566320).

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

1120111304240 is a wasteful number, since it uses less digits than its factorization.

1120111304240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857070 (or 857064 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1120111304240 its reverse (424031110211), we get a palindrome (1544142414451).

The spelling of 1120111304240 in words is "one trillion, one hundred twenty billion, one hundred eleven million, three hundred four thousand, two hundred forty".