11204400005545 has 8 divisors (see below), whose sum is σ = 13445345620224. Its totient is φ = 8963476262064.

The previous prime is 11204400005537. The next prime is 11204400005551. The reversal of 11204400005545 is 54550000440211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11204400005545 - 2³ = 11204400005537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4318809 + ... + 6407878.

It is an arithmetic number, because the mean of its divisors is an integer number (1680668202528).

Almost surely, 2^{11204400005545} is an apocalyptic number.

It is an amenable number.

11204400005545 is a deficient number, since it is larger than the sum of its proper divisors (2240945614679).

11204400005545 is a wasteful number, since it uses less digits than its factorization.

11204400005545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10935599.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 11204400005545 its reverse (54550000440211), we get a palindrome (65754400445756).

The spelling of 11204400005545 in words is "eleven trillion, two hundred four billion, four hundred million, five thousand, five hundred forty-five".