1120811618720 has 48 divisors (see below), whose sum is σ = 2651749718688. Its totient is φ = 447675797760.

The previous prime is 1120811618713. The next prime is 1120811618753. The reversal of 1120811618720 is 278161180211.

It is a happy 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, 4958234 + ... + 5179353.

It is an arithmetic number, because the mean of its divisors is an integer number (55244785806).

Almost surely, 2^{1120811618720} is an apocalyptic number.

1120811618720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120811618720 is an abundant number, since it is smaller than the sum of its proper divisors (1530938099968).

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

1120811618720 is a wasteful number, since it uses less digits than its factorization.

1120811618720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10138293 (or 10138285 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 38.

Adding to 1120811618720 its reverse (278161180211), we get a palindrome (1398972798931).

The spelling of 1120811618720 in words is "one trillion, one hundred twenty billion, eight hundred eleven million, six hundred eighteen thousand, seven hundred twenty".