11380351838 has 8 divisors (see below), whose sum is σ = 17812724688. Its totient is φ = 5442776944.

The previous prime is 11380351831. The next prime is 11380351867. The reversal of 11380351838 is 83815308311.

11380351838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 11380351795 and 11380351804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11380351831) 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, 123699431 + ... + 123699522.

It is an arithmetic number, because the mean of its divisors is an integer number (2226590586).

Almost surely, 2^11380351838 is an apocalyptic number.

11380351838 is a deficient number, since it is larger than the sum of its proper divisors (6432372850).

11380351838 is a wasteful number, since it uses less digits than its factorization.

11380351838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247398978.

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 11380351838 in words is "eleven billion, three hundred eighty million, three hundred fifty-one thousand, eight hundred thirty-eight".