11051215187 has 2 divisors, whose sum is σ = 11051215188. Its totient is φ = 11051215186.

The previous prime is 11051215181. The next prime is 11051215207. The reversal of 11051215187 is 78151215011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11051215187 - 2¹⁴ = 11051198803 is a prime.

It is not a weakly prime, because it can be changed into another prime (11051215181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5525607593 + 5525607594.

It is an arithmetic number, because the mean of its divisors is an integer number (5525607594).

Almost surely, 2^11051215187 is an apocalyptic number.

11051215187 is a deficient number, since it is larger than the sum of its proper divisors (1).

11051215187 is an equidigital number, since it uses as much as digits as its factorization.

11051215187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 32.

The spelling of 11051215187 in words is "eleven billion, fifty-one million, two hundred fifteen thousand, one hundred eighty-seven".