11132640217 has 2 divisors, whose sum is σ = 11132640218. Its totient is φ = 11132640216.

The previous prime is 11132640199. The next prime is 11132640241. The reversal of 11132640217 is 71204623111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7409077776 + 3723562441 = 86076^2 + 61021^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11132640217 is a prime.

It is not a weakly prime, because it can be changed into another prime (11132640287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5566320108 + 5566320109.

It is an arithmetic number, because the mean of its divisors is an integer number (5566320109).

Almost surely, 2^11132640217 is an apocalyptic number.

It is an amenable number.

11132640217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11132640217 is an equidigital number, since it uses as much as digits as its factorization.

11132640217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The spelling of 11132640217 in words is "eleven billion, one hundred thirty-two million, six hundred forty thousand, two hundred seventeen".