11938304027 has 16 divisors (see below), whose sum is σ = 13251106848. Its totient is φ = 10685157120.

The previous prime is 11938304023. The next prime is 11938304039. The reversal of 11938304027 is 72040383911.

It is a cyclic number.

It is not a de Polignac number, because 11938304027 - 2² = 11938304023 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (11938304023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18173 + ... + 155585.

It is an arithmetic number, because the mean of its divisors is an integer number (828194178).

Almost surely, 2^11938304027 is an apocalyptic number.

11938304027 is a deficient number, since it is larger than the sum of its proper divisors (1312802821).

11938304027 is a wasteful number, since it uses less digits than its factorization.

11938304027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137630.

The product of its (nonzero) digits is 36288, while the sum is 38.

Adding to 11938304027 its reverse (72040383911), we get a palindrome (83978687938).

The spelling of 11938304027 in words is "eleven billion, nine hundred thirty-eight million, three hundred four thousand, twenty-seven".