11005400305 has 8 divisors (see below), whose sum is σ = 13901558400. Its totient is φ = 8340934896.

The previous prime is 11005400251. The next prime is 11005400317. The reversal of 11005400305 is 50300450011.

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 11005400305 - 2¹⁹ = 11004876017 is a prime.

It is a super-2 number, since 2×11005400305² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57923065 + ... + 57923254.

It is an arithmetic number, because the mean of its divisors is an integer number (1737694800).

Almost surely, 2^11005400305 is an apocalyptic number.

It is an amenable number.

11005400305 is a deficient number, since it is larger than the sum of its proper divisors (2896158095).

11005400305 is a wasteful number, since it uses less digits than its factorization.

11005400305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115846343.

The product of its (nonzero) digits is 300, while the sum is 19.

Adding to 11005400305 its reverse (50300450011), we get a palindrome (61305850316).

The spelling of 11005400305 in words is "eleven billion, five million, four hundred thousand, three hundred five".