11151117919 has 2 divisors, whose sum is σ = 11151117920. Its totient is φ = 11151117918.

The previous prime is 11151117893. The next prime is 11151117983. The reversal of 11151117919 is 91971115111.

11151117919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11151117919 - 2¹⁵ = 11151085151 is a prime.

It is a super-2 number, since 2×11151117919² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11151117319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5575558959 + 5575558960.

It is an arithmetic number, because the mean of its divisors is an integer number (5575558960).

Almost surely, 2^11151117919 is an apocalyptic number.

11151117919 is a deficient number, since it is larger than the sum of its proper divisors (1).

11151117919 is an equidigital number, since it uses as much as digits as its factorization.

11151117919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2835, while the sum is 37.

The spelling of 11151117919 in words is "eleven billion, one hundred fifty-one million, one hundred seventeen thousand, nine hundred nineteen".