11147023819 has 2 divisors, whose sum is σ = 11147023820. Its totient is φ = 11147023818.

The previous prime is 11147023817. The next prime is 11147023889. The reversal of 11147023819 is 91832074111.

It is a weak prime.

It is an emirp because it is prime and its reverse (91832074111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11147023819 - 2¹ = 11147023817 is a prime.

It is a super-2 number, since 2×11147023819² (a number of 21 digits) contains 22 as substring.

Together with 11147023817, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11147023817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5573511909 + 5573511910.

It is an arithmetic number, because the mean of its divisors is an integer number (5573511910).

Almost surely, 2^11147023819 is an apocalyptic number.

11147023819 is a deficient number, since it is larger than the sum of its proper divisors (1).

11147023819 is an equidigital number, since it uses as much as digits as its factorization.

11147023819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 37.

The spelling of 11147023819 in words is "eleven billion, one hundred forty-seven million, twenty-three thousand, eight hundred nineteen".