11405616445 has 4 divisors (see below), whose sum is σ = 13686739740. Its totient is φ = 9124493152.

The previous prime is 11405616407. The next prime is 11405616449. The reversal of 11405616445 is 54461650411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1689374404 + 9716242041 = 41102^2 + 98571^2 .

It is a cyclic number.

It is not a de Polignac number, because 11405616445 - 2⁹ = 11405615933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11405616449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1140561640 + ... + 1140561649.

It is an arithmetic number, because the mean of its divisors is an integer number (3421684935).

Almost surely, 2^11405616445 is an apocalyptic number.

It is an amenable number.

11405616445 is a deficient number, since it is larger than the sum of its proper divisors (2281123295).

11405616445 is an equidigital number, since it uses as much as digits as its factorization.

11405616445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281123294.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 11405616445 in words is "eleven billion, four hundred five million, six hundred sixteen thousand, four hundred forty-five".