11044654121 has 4 divisors (see below), whose sum is σ = 11045693892. Its totient is φ = 11043614352.

The previous prime is 11044654109. The next prime is 11044654133. The reversal of 11044654121 is 12145644011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12145644011 = 577 ⋅21049643.

It is an interprime number because it is at equal distance from previous prime (11044654109) and next prime (11044654133).

It can be written as a sum of positive squares in 2 ways, for example, as 6783828496 + 4260825625 = 82364^2 + 65275^2 .

It is a cyclic number.

It is not a de Polignac number, because 11044654121 - 2¹⁸ = 11044391977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11044654021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503786 + ... + 525251.

It is an arithmetic number, because the mean of its divisors is an integer number (2761423473).

Almost surely, 2^11044654121 is an apocalyptic number.

It is an amenable number.

11044654121 is a deficient number, since it is larger than the sum of its proper divisors (1039771).

11044654121 is a wasteful number, since it uses less digits than its factorization.

11044654121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039770.

The product of its (nonzero) digits is 3840, while the sum is 29.

The spelling of 11044654121 in words is "eleven billion, forty-four million, six hundred fifty-four thousand, one hundred twenty-one".