11030767668 has 18 divisors (see below), whose sum is σ = 27883329474. Its totient is φ = 3676922544.

The previous prime is 11030767663. The next prime is 11030767687. The reversal of 11030767668 is 86676703011.

It can be written as a sum of positive squares in only one way, i.e., 9473518224 + 1557249444 = 97332^2 + 39462^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030767663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 153205071 + ... + 153205142.

Almost surely, 2^11030767668 is an apocalyptic number.

11030767668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11030767668 is an abundant number, since it is smaller than the sum of its proper divisors (16852561806).

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

11030767668 is a wasteful number, since it uses less digits than its factorization.

11030767668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306410223 (or 306410218 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 11030767668 in words is "eleven billion, thirty million, seven hundred sixty-seven thousand, six hundred sixty-eight".