11051449199 has 32 divisors (see below), whose sum is σ = 14376683520. Its totient is φ = 8266434048.

The previous prime is 11051449187. The next prime is 11051449217. The reversal of 11051449199 is 99194415011.

It is a cyclic number.

It is not a de Polignac number, because 11051449199 - 2⁴ = 11051449183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11051449139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54269 + ... + 158265.

It is an arithmetic number, because the mean of its divisors is an integer number (449271360).

Almost surely, 2^11051449199 is an apocalyptic number.

11051449199 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11051449199 is a deficient number, since it is larger than the sum of its proper divisors (3325234321).

11051449199 is a wasteful number, since it uses less digits than its factorization.

11051449199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104087.

The product of its (nonzero) digits is 58320, while the sum is 44.

The spelling of 11051449199 in words is "eleven billion, fifty-one million, four hundred forty-nine thousand, one hundred ninety-nine".