11099043904 has 63 divisors (see below), whose sum is σ = 23872760103. Its totient is φ = 5117578752.

The previous prime is 11099043859. The next prime is 11099043911. The reversal of 11099043904 is 40934099011.

The square root of 11099043904 is 105352.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 9092003904 + 2007040000 = 95352^2 + 44800^2 .

It is a super-2 number, since 2×11099043904² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10956102 + ... + 10957114.

Almost surely, 2^11099043904 is an apocalyptic number.

11099043904 is the 105352-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11099043904

11099043904 is an abundant number, since it is smaller than the sum of its proper divisors (12773716199).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11099043904 is an frugal number, since it uses more digits than its factorization.

11099043904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 11099043904 in words is "eleven billion, ninety-nine million, forty-three thousand, nine hundred four".