11112638378 has 4 divisors (see below), whose sum is σ = 16668957570. Its totient is φ = 5556319188.

The previous prime is 11112638371. The next prime is 11112638389. The reversal of 11112638378 is 87383621111.

It is a happy number.

11112638378 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11109792409 + 2845969 = 105403^2 + 1687^2 .

It is not an unprimeable number, because it can be changed into a prime (11112638371) by changing a digit.

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 as a sum of consecutive naturals, namely, 2778159593 + ... + 2778159596.

Almost surely, 2^11112638378 is an apocalyptic number.

11112638378 is a deficient number, since it is larger than the sum of its proper divisors (5556319192).

11112638378 is an equidigital number, since it uses as much as digits as its factorization.

11112638378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5556319191.

The product of its digits is 48384, while the sum is 41.

The spelling of 11112638378 in words is "eleven billion, one hundred twelve million, six hundred thirty-eight thousand, three hundred seventy-eight".