11298201849 has 27 divisors (see below), whose sum is σ = 17943670927. Its totient is φ = 6845269200.

The previous prime is 11298201839. The next prime is 11298201851. The reversal of 11298201849 is 94810289211.

The square root of 11298201849 is 106293.

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

11298201849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8715529449 + 2582672400 = 93357^2 + 50820^2 .

It is not a de Polignac number, because 11298201849 - 2⁹ = 11298201337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11298201839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3506059 + ... + 3509279.

Almost surely, 2^11298201849 is an apocalyptic number.

11298201849 is the 106293-rd square number.

11298201849 is the 53147-th centered octagonal number.

It is an amenable number.

11298201849 is a deficient number, since it is larger than the sum of its proper divisors (6645469078).

11298201849 is an frugal number, since it uses more digits than its factorization.

11298201849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6470 (or 3235 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

Multiplying 11298201849 by its product of nonzero digits (82944), we get a square (937118054163456 = 30612384²).

The spelling of 11298201849 in words is "eleven billion, two hundred ninety-eight million, two hundred one thousand, eight hundred forty-nine".