11616400117 has 4 divisors (see below), whose sum is σ = 13275885856. Its totient is φ = 9956914380.

The previous prime is 11616400043. The next prime is 11616400127. The reversal of 11616400117 is 71100461611.

11616400117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71100461611 = 13147 ⋅5408113.

It is not a de Polignac number, because 11616400117 - 2¹⁵ = 11616367349 is a prime.

It is a super-2 number, since 2×11616400117² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11616400127) 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, 829742859 + ... + 829742872.

It is an arithmetic number, because the mean of its divisors is an integer number (3318971464).

Almost surely, 2^11616400117 is an apocalyptic number.

It is an amenable number.

11616400117 is a deficient number, since it is larger than the sum of its proper divisors (1659485739).

11616400117 is an equidigital number, since it uses as much as digits as its factorization.

11616400117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659485738.

The product of its (nonzero) digits is 1008, while the sum is 28.

Adding to 11616400117 its reverse (71100461611), we get a palindrome (82716861728).

The spelling of 11616400117 in words is "eleven billion, six hundred sixteen million, four hundred thousand, one hundred seventeen".