11441092561921 has 4 divisors (see below), whose sum is σ = 12481191885744. Its totient is φ = 10400993238100.

The previous prime is 11441092561903. The next prime is 11441092561931. The reversal of 11441092561921 is 12916529014411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11441092561921 - 2⁷ = 11441092561793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11441092561931) 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 3 ways as a sum of consecutive naturals, for example, 520049661895 + ... + 520049661916.

It is an arithmetic number, because the mean of its divisors is an integer number (3120297971436).

Almost surely, 2^{11441092561921} is an apocalyptic number.

11441092561921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11441092561921 is a deficient number, since it is larger than the sum of its proper divisors (1040099323823).

11441092561921 is a wasteful number, since it uses less digits than its factorization.

11441092561921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040099323822.

The product of its (nonzero) digits is 155520, while the sum is 46.

The spelling of 11441092561921 in words is "eleven trillion, four hundred forty-one billion, ninety-two million, five hundred sixty-one thousand, nine hundred twenty-one".