11565675105 has 32 divisors (see below), whose sum is σ = 18867873024. Its totient is φ = 6047598336.

The previous prime is 11565675061. The next prime is 11565675109. The reversal of 11565675105 is 50157656511.

It is not a de Polignac number, because 11565675105 - 2¹⁶ = 11565609569 is a prime.

It is a super-2 number, since 2×11565675105² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11565675109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1296972 + ... + 1305858.

It is an arithmetic number, because the mean of its divisors is an integer number (589621032).

Almost surely, 2^11565675105 is an apocalyptic number.

11565675105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11565675105 is a deficient number, since it is larger than the sum of its proper divisors (7302197919).

11565675105 is a wasteful number, since it uses less digits than its factorization.

11565675105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10585.

The product of its (nonzero) digits is 157500, while the sum is 42.

The spelling of 11565675105 in words is "eleven billion, five hundred sixty-five million, six hundred seventy-five thousand, one hundred five".