11049190919 has 16 divisors (see below), whose sum is σ = 12607267680. Its totient is φ = 9593057280.

The previous prime is 11049190909. The next prime is 11049190921. The reversal of 11049190919 is 91909194011.

It is a cyclic number.

It is not a de Polignac number, because 11049190919 - 2²⁸ = 10780755463 is a prime.

It is a super-2 number, since 2×11049190919² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11049190919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11049190909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342359 + ... + 373239.

It is an arithmetic number, because the mean of its divisors is an integer number (787954230).

Almost surely, 2^11049190919 is an apocalyptic number.

11049190919 is a deficient number, since it is larger than the sum of its proper divisors (1558076761).

11049190919 is a wasteful number, since it uses less digits than its factorization.

11049190919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32530.

The product of its (nonzero) digits is 26244, while the sum is 44.

The spelling of 11049190919 in words is "eleven billion, forty-nine million, one hundred ninety thousand, nine hundred nineteen".