11380143938 has 8 divisors (see below), whose sum is σ = 17078685132. Its totient is φ = 5687248896.

The previous prime is 11380143937. The next prime is 11380143949. The reversal of 11380143938 is 83934108311.

11380143938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11288425009 + 91718929 = 106247^2 + 9577^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11380143895 and 11380143904.

It is not an unprimeable number, because it can be changed into a prime (11380143937) 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 3 ways as a sum of consecutive naturals, for example, 1406495 + ... + 1414562.

Almost surely, 2^11380143938 is an apocalyptic number.

11380143938 is a deficient number, since it is larger than the sum of its proper divisors (5698541194).

11380143938 is a wasteful number, since it uses less digits than its factorization.

11380143938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2823076.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 11380143938 in words is "eleven billion, three hundred eighty million, one hundred forty-three thousand, nine hundred thirty-eight".