11642770768 has 10 divisors (see below), whose sum is σ = 22557868394. Its totient is φ = 5821385376.

The previous prime is 11642770759. The next prime is 11642770793. The reversal of 11642770768 is 86707724611.

It can be written as a sum of positive squares in only one way, i.e., 8736267024 + 2906503744 = 93468^2 + 53912^2 .

It is a super-2 number, since 2×11642770768² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363836571 + ... + 363836602.

Almost surely, 2^11642770768 is an apocalyptic number.

It is an amenable number.

11642770768 is a deficient number, since it is larger than the sum of its proper divisors (10915097626).

11642770768 is an equidigital number, since it uses as much as digits as its factorization.

11642770768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727673181 (or 727673175 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 49.

The spelling of 11642770768 in words is "eleven billion, six hundred forty-two million, seven hundred seventy thousand, seven hundred sixty-eight".