11510056105 has 8 divisors (see below), whose sum is σ = 13938784200. Its totient is φ = 9123566976.

The previous prime is 11510056081. The next prime is 11510056121. The reversal of 11510056105 is 50165001511.

It can be written as a sum of positive squares in 4 ways, for example, as 255392361 + 11254663744 = 15981^2 + 106088^2 .

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 11510056105 - 2²⁹ = 10973185193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11510056105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10559140 + ... + 10560229.

It is an arithmetic number, because the mean of its divisors is an integer number (1742348025).

Almost surely, 2^11510056105 is an apocalyptic number.

It is an amenable number.

11510056105 is a deficient number, since it is larger than the sum of its proper divisors (2428728095).

11510056105 is a wasteful number, since it uses less digits than its factorization.

11510056105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21119483.

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 11510056105 its reverse (50165001511), we get a palindrome (61675057616).

The spelling of 11510056105 in words is "eleven billion, five hundred ten million, fifty-six thousand, one hundred five".