11938827127 has 4 divisors (see below), whose sum is σ = 11945855800. Its totient is φ = 11931798456.

The previous prime is 11938827119. The next prime is 11938827139. The reversal of 11938827127 is 72172883911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72172883911 = 79 ⋅913580809.

It is a cyclic number.

It is not a de Polignac number, because 11938827127 - 2³ = 11938827119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11938827107) 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 in 3 ways as a sum of consecutive naturals, for example, 3511788 + ... + 3515185.

It is an arithmetic number, because the mean of its divisors is an integer number (2986463950).

Almost surely, 2^11938827127 is an apocalyptic number.

11938827127 is a deficient number, since it is larger than the sum of its proper divisors (7028673).

11938827127 is an equidigital number, since it uses as much as digits as its factorization.

11938827127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7028672.

The product of its digits is 338688, while the sum is 49.

The spelling of 11938827127 in words is "eleven billion, nine hundred thirty-eight million, eight hundred twenty-seven thousand, one hundred twenty-seven".