1011111040668 has 24 divisors (see below), whose sum is σ = 2359367637760. Its totient is φ = 337021507440.

The previous prime is 1011111040661. The next prime is 1011111040699. The reversal of 1011111040668 is 8660401111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011111040661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1665028 + ... + 2189643.

Almost surely, 2^{1011111040668} is an apocalyptic number.

It is an amenable number.

1011111040668 is an abundant number, since it is smaller than the sum of its proper divisors (1348256597092).

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

1011111040668 is a wasteful number, since it uses less digits than its factorization.

1011111040668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3876537 (or 3876535 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 30.

Adding to 1011111040668 its reverse (8660401111101), we get a palindrome (9671512151769).

The spelling of 1011111040668 in words is "one trillion, eleven billion, one hundred eleven million, forty thousand, six hundred sixty-eight".