11378226081 has 16 divisors (see below), whose sum is σ = 15663646208. Its totient is φ = 7339248000.

The previous prime is 11378226077. The next prime is 11378226107. The reversal of 11378226081 is 18062287311.

11378226081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11378226081 - 2² = 11378226077 is a prime.

It is a super-2 number, since 2×11378226081² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11378226011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576285 + ... + 595701.

It is an arithmetic number, because the mean of its divisors is an integer number (978977888).

Almost surely, 2^11378226081 is an apocalyptic number.

It is an amenable number.

11378226081 is a deficient number, since it is larger than the sum of its proper divisors (4285420127).

11378226081 is a wasteful number, since it uses less digits than its factorization.

11378226081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25752.

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 11378226081 in words is "eleven billion, three hundred seventy-eight million, two hundred twenty-six thousand, eighty-one".