1107831611780 has 24 divisors (see below), whose sum is σ = 2326569544152. Its totient is φ = 443109185792.

The previous prime is 1107831611759. The next prime is 1107831611797. The reversal of 1107831611780 is 871161387011.

It can be written as a sum of positive squares in 4 ways, for example, as 34771806784 + 1073059804996 = 186472^2 + 1035886^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1076417 + ... + 1836936.

It is an arithmetic number, because the mean of its divisors is an integer number (96940397673).

Almost surely, 2^{1107831611780} is an apocalyptic number.

1107831611780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1107831611780 is an abundant number, since it is smaller than the sum of its proper divisors (1218737932372).

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

1107831611780 is a wasteful number, since it uses less digits than its factorization.

1107831611780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2932375 (or 2932373 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 44.

Adding to 1107831611780 its reverse (871161387011), we get a palindrome (1978992998791).

The spelling of 1107831611780 in words is "one trillion, one hundred seven billion, eight hundred thirty-one million, six hundred eleven thousand, seven hundred eighty".