11378766368 has 54 divisors (see below), whose sum is σ = 22740799599. Its totient is φ = 5604602112.

The previous prime is 11378766239. The next prime is 11378766389. The reversal of 11378766368 is 86366787311.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 11258907664 + 119858704 = 106108^2 + 10948^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=75428.

It is a super-2 number, since 2×11378766368² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 65773130 + ... + 65773302.

Almost surely, 2^11378766368 is an apocalyptic number.

It is an amenable number.

11378766368 is a deficient number, since it is larger than the sum of its proper divisors (11362033231).

11378766368 is an frugal number, since it uses more digits than its factorization.

11378766368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 284 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 56.

The spelling of 11378766368 in words is "eleven billion, three hundred seventy-eight million, seven hundred sixty-six thousand, three hundred sixty-eight".