11532185317 has 2 divisors, whose sum is σ = 11532185318. Its totient is φ = 11532185316.

The previous prime is 11532185267. The next prime is 11532185321. The reversal of 11532185317 is 71358123511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11416708801 + 115476516 = 106849^2 + 10746^2 .

It is a cyclic number.

It is not a de Polignac number, because 11532185317 - 2¹¹ = 11532183269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11532185347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5766092658 + 5766092659.

It is an arithmetic number, because the mean of its divisors is an integer number (5766092659).

Almost surely, 2^11532185317 is an apocalyptic number.

It is an amenable number.

11532185317 is a deficient number, since it is larger than the sum of its proper divisors (1).

11532185317 is an equidigital number, since it uses as much as digits as its factorization.

11532185317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 37.

The spelling of 11532185317 in words is "eleven billion, five hundred thirty-two million, one hundred eighty-five thousand, three hundred seventeen".