11643842127 has 8 divisors (see below), whose sum is σ = 15569865216. Its totient is φ = 7740190232.

The previous prime is 11643842101. The next prime is 11643842131. The reversal of 11643842127 is 72124834611.

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

It is a cyclic number.

It is not a de Polignac number, because 11643842127 - 2⁸ = 11643841871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11643842527) 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 7 ways as a sum of consecutive naturals, for example, 5591583 + ... + 5593664.

It is an arithmetic number, because the mean of its divisors is an integer number (1946233152).

Almost surely, 2^11643842127 is an apocalyptic number.

11643842127 is a deficient number, since it is larger than the sum of its proper divisors (3926023089).

11643842127 is a wasteful number, since it uses less digits than its factorization.

11643842127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11185597.

The product of its digits is 64512, while the sum is 39.

The spelling of 11643842127 in words is "eleven billion, six hundred forty-three million, eight hundred forty-two thousand, one hundred twenty-seven".