11685238927 has 2 divisors, whose sum is σ = 11685238928. Its totient is φ = 11685238926.

The previous prime is 11685238883. The next prime is 11685238931. The reversal of 11685238927 is 72983258611.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11685238927 is a prime.

It is a super-2 number, since 2×11685238927² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11685238027) 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 as a sum of consecutive naturals, namely, 5842619463 + 5842619464.

It is an arithmetic number, because the mean of its divisors is an integer number (5842619464).

Almost surely, 2^11685238927 is an apocalyptic number.

11685238927 is a deficient number, since it is larger than the sum of its proper divisors (1).

11685238927 is an equidigital number, since it uses as much as digits as its factorization.

11685238927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 52.

The spelling of 11685238927 in words is "eleven billion, six hundred eighty-five million, two hundred thirty-eight thousand, nine hundred twenty-seven".