11506695369 has 16 divisors (see below), whose sum is σ = 17240802432. Its totient is φ = 6773171328.

The previous prime is 11506695331. The next prime is 11506695373. The reversal of 11506695369 is 96359660511.

It is a happy number.

It is not a de Polignac number, because 11506695369 - 2⁸ = 11506695113 is a prime.

It is a super-2 number, since 2×11506695369² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11506695569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6413092 + ... + 6414885.

It is an arithmetic number, because the mean of its divisors is an integer number (1077550152).

Almost surely, 2^11506695369 is an apocalyptic number.

It is an amenable number.

11506695369 is a deficient number, since it is larger than the sum of its proper divisors (5734107063).

11506695369 is a wasteful number, since it uses less digits than its factorization.

11506695369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12828016.

The product of its (nonzero) digits is 1312200, while the sum is 51.

The spelling of 11506695369 in words is "eleven billion, five hundred six million, six hundred ninety-five thousand, three hundred sixty-nine".