11125019 has 2 divisors, whose sum is σ = 11125020. Its totient is φ = 11125018.

The previous prime is 11124991. The next prime is 11125091. The reversal of 11125019 is 91052111.

Together with next prime (11125091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (91052111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11125019 is a prime.

It is a super-3 number, since 3×11125019³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11125319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5562509 + 5562510.

It is an arithmetic number, because the mean of its divisors is an integer number (5562510).

Almost surely, 2^11125019 is an apocalyptic number.

11125019 is a deficient number, since it is larger than the sum of its proper divisors (1).

11125019 is an equidigital number, since it uses as much as digits as its factorization.

11125019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 20.

The square root of 11125019 is about 3335.4188642508. The cubic root of 11125019 is about 223.2373818655.

The spelling of 11125019 in words is "eleven million, one hundred twenty-five thousand, nineteen".