11128378108 has 24 divisors (see below), whose sum is σ = 19975561760. Its totient is φ = 5422749120.

The previous prime is 11128378099. The next prime is 11128378111. The reversal of 11128378108 is 80187382111.

It is a super-2 number, since 2×11128378108² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182616 + ... + 235807.

Almost surely, 2^11128378108 is an apocalyptic number.

It is an amenable number.

11128378108 is a deficient number, since it is larger than the sum of its proper divisors (8847183652).

11128378108 is a wasteful number, since it uses less digits than its factorization.

11128378108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418597 (or 418595 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 40.

The spelling of 11128378108 in words is "eleven billion, one hundred twenty-eight million, three hundred seventy-eight thousand, one hundred eight".