11564113127 has 8 divisors (see below), whose sum is σ = 13911715200. Its totient is φ = 9390407544.

The previous prime is 11564113111. The next prime is 11564113139. The reversal of 11564113127 is 72131146511.

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

It is not a de Polignac number, because 11564113127 - 2⁴ = 11564113111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11564113093 and 11564113102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11564113027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43473977 + ... + 43474242.

It is an arithmetic number, because the mean of its divisors is an integer number (1738964400).

Almost surely, 2^11564113127 is an apocalyptic number.

11564113127 is a deficient number, since it is larger than the sum of its proper divisors (2347602073).

11564113127 is an equidigital number, since it uses as much as digits as its factorization.

11564113127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86948245.

The product of its digits is 5040, while the sum is 32.

Adding to 11564113127 its reverse (72131146511), we get a palindrome (83695259638).

The spelling of 11564113127 in words is "eleven billion, five hundred sixty-four million, one hundred thirteen thousand, one hundred twenty-seven".