11320747187 has 2 divisors, whose sum is σ = 11320747188. Its totient is φ = 11320747186.

The previous prime is 11320747169. The next prime is 11320747237. The reversal of 11320747187 is 78174702311.

It is a weak prime.

It is an emirp because it is prime and its reverse (78174702311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11320747187 - 2²⁶ = 11253638323 is a prime.

It is not a weakly prime, because it can be changed into another prime (11320747147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660373593 + 5660373594.

It is an arithmetic number, because the mean of its divisors is an integer number (5660373594).

Almost surely, 2^11320747187 is an apocalyptic number.

11320747187 is a deficient number, since it is larger than the sum of its proper divisors (1).

11320747187 is an equidigital number, since it uses as much as digits as its factorization.

11320747187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65856, while the sum is 41.

The spelling of 11320747187 in words is "eleven billion, three hundred twenty million, seven hundred forty-seven thousand, one hundred eighty-seven".