11205112305 has 8 divisors (see below), whose sum is σ = 17928179712. Its totient is φ = 5976059888.

The previous prime is 11205112253. The next prime is 11205112333. The reversal of 11205112305 is 50321150211.

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 11205112305 - 2⁸ = 11205112049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373503729 + ... + 373503758.

It is an arithmetic number, because the mean of its divisors is an integer number (2241022464).

Almost surely, 2^11205112305 is an apocalyptic number.

11205112305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11205112305 is a deficient number, since it is larger than the sum of its proper divisors (6723067407).

11205112305 is an equidigital number, since it uses as much as digits as its factorization.

11205112305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747007495.

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 11205112305 its reverse (50321150211), we get a palindrome (61526262516).

The spelling of 11205112305 in words is "eleven billion, two hundred five million, one hundred twelve thousand, three hundred five".