11019199999 has 2 divisors, whose sum is σ = 11019200000. Its totient is φ = 11019199998.

The previous prime is 11019199993. The next prime is 11019200053. The reversal of 11019199999 is 99999191011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11019199999 - 2³ = 11019199991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11019199991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5509599999 + 5509600000.

It is an arithmetic number, because the mean of its divisors is an integer number (5509600000).

Almost surely, 2^11019199999 is an apocalyptic number.

11019199999 is a deficient number, since it is larger than the sum of its proper divisors (1).

11019199999 is an equidigital number, since it uses as much as digits as its factorization.

11019199999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 531441, while the sum is 58.

The spelling of 11019199999 in words is "eleven billion, nineteen million, one hundred ninety-nine thousand, nine hundred ninety-nine".