11002541449 has 9 divisors (see below), whose sum is σ = 11398173397. Its totient is φ = 10620206464.

The previous prime is 11002541443. The next prime is 11002541497. The reversal of 11002541449 is 94414520011.

The square root of 11002541449 is 104893.

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 4462908025 + 6539633424 = 66805^2 + 80868^2 .

It is not a de Polignac number, because 11002541449 - 2²⁷ = 10868323721 is a prime.

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 11002541449.

It is not an unprimeable number, because it can be changed into a prime (11002541443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3040089 + ... + 3043705.

Almost surely, 2^11002541449 is an apocalyptic number.

11002541449 is the 104893-rd square number.

11002541449 is the 52447-th centered octagonal number.

It is an amenable number.

11002541449 is a deficient number, since it is larger than the sum of its proper divisors (395631948).

11002541449 is an frugal number, since it uses more digits than its factorization.

11002541449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7292 (or 3646 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 11002541449 in words is "eleven billion, two million, five hundred forty-one thousand, four hundred forty-nine".