11445210019 has 2 divisors, whose sum is σ = 11445210020. Its totient is φ = 11445210018.

The previous prime is 11445210001. The next prime is 11445210041. The reversal of 11445210019 is 91001254411.

It is a weak prime.

It is an emirp because it is prime and its reverse (91001254411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11445210019 - 2⁷ = 11445209891 is a prime.

It is a super-2 number, since 2×11445210019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11445210079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5722605009 + 5722605010.

It is an arithmetic number, because the mean of its divisors is an integer number (5722605010).

Almost surely, 2^11445210019 is an apocalyptic number.

11445210019 is a deficient number, since it is larger than the sum of its proper divisors (1).

11445210019 is an equidigital number, since it uses as much as digits as its factorization.

11445210019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 28.

The spelling of 11445210019 in words is "eleven billion, four hundred forty-five million, two hundred ten thousand, nineteen".