11307128067 has 32 divisors (see below), whose sum is σ = 17080061760. Its totient is φ = 7390356480.

The previous prime is 11307128047. The next prime is 11307128083. The reversal of 11307128067 is 76082170311.

11307128067 is a `hidden beast` number, since 11 + 307 + 1 + 280 + 67 = 666.

It is not a de Polignac number, because 11307128067 - 2¹⁰ = 11307127043 is a prime.

It is a super-2 number, since 2×11307128067² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11307128047) 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, 2976013 + ... + 2979809.

It is an arithmetic number, because the mean of its divisors is an integer number (533751930).

Almost surely, 2^11307128067 is an apocalyptic number.

11307128067 is a deficient number, since it is larger than the sum of its proper divisors (5772933693).

11307128067 is a wasteful number, since it uses less digits than its factorization.

11307128067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5940 (or 5934 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

Adding to 11307128067 its reverse (76082170311), we get a palindrome (87389298378).

The spelling of 11307128067 in words is "eleven billion, three hundred seven million, one hundred twenty-eight thousand, sixty-seven".