1110011311988 has 36 divisors (see below), whose sum is σ = 1958584075812. Its totient is φ = 550452810240.

The previous prime is 1110011311987. The next prime is 1110011312021. The reversal of 1110011311988 is 8891131100111.

It can be written as a sum of positive squares in 2 ways, for example, as 949977710224 + 160033601764 = 974668^2 + 400042^2 .

It is a super-2 number, since 2×1110011311988² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110011311987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81991556 + ... + 82005092.

It is an arithmetic number, because the mean of its divisors is an integer number (54405113217).

Almost surely, 2^{1110011311988} is an apocalyptic number.

It is an amenable number.

1110011311988 is a deficient number, since it is larger than the sum of its proper divisors (848572763824).

1110011311988 is a wasteful number, since it uses less digits than its factorization.

1110011311988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14880 (or 14739 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 35.

The spelling of 1110011311988 in words is "one trillion, one hundred ten billion, eleven million, three hundred eleven thousand, nine hundred eighty-eight".