11565516114 has 12 divisors (see below), whose sum is σ = 25058618286. Its totient is φ = 3855172032.

The previous prime is 11565516101. The next prime is 11565516133. The reversal of 11565516114 is 41161556511.

11565516114 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5822453025 + 5743063089 = 76305^2 + 75783^2 .

It is a super-2 number, since 2×11565516114² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 321264319 + ... + 321264354.

Almost surely, 2^11565516114 is an apocalyptic number.

11565516114 is an abundant number, since it is smaller than the sum of its proper divisors (13493102172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11565516114 is a wasteful number, since it uses less digits than its factorization.

11565516114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642528681 (or 642528678 counting only the distinct ones).

The product of its digits is 18000, while the sum is 36.

It can be divided in two parts, 115655 and 16114, that added together give a square (131769 = 363²).

The spelling of 11565516114 in words is "eleven billion, five hundred sixty-five million, five hundred sixteen thousand, one hundred fourteen".