11049378187 has 2 divisors, whose sum is σ = 11049378188. Its totient is φ = 11049378186.

The previous prime is 11049378133. The next prime is 11049378217. The reversal of 11049378187 is 78187394011.

It is a strong prime.

It is an emirp because it is prime and its reverse (78187394011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11049378187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11049378187.

It is not a weakly prime, because it can be changed into another prime (11049378127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5524689093 + 5524689094.

It is an arithmetic number, because the mean of its divisors is an integer number (5524689094).

Almost surely, 2^11049378187 is an apocalyptic number.

11049378187 is a deficient number, since it is larger than the sum of its proper divisors (1).

11049378187 is an equidigital number, since it uses as much as digits as its factorization.

11049378187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 49.

The spelling of 11049378187 in words is "eleven billion, forty-nine million, three hundred seventy-eight thousand, one hundred eighty-seven".