11205203255 has 8 divisors (see below), whose sum is σ = 13630439472. Its totient is φ = 8841365568.

The previous prime is 11205203249. The next prime is 11205203291. The reversal of 11205203255 is 55230250211.

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 11205203255 - 2⁸ = 11205202999 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 15349229 + ... + 15349958.

It is an arithmetic number, because the mean of its divisors is an integer number (1703804934).

Almost surely, 2^11205203255 is an apocalyptic number.

11205203255 is a deficient number, since it is larger than the sum of its proper divisors (2425236217).

11205203255 is an equidigital number, since it uses as much as digits as its factorization.

11205203255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30699265.

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 11205203255 its reverse (55230250211), we get a palindrome (66435453466).

The spelling of 11205203255 in words is "eleven billion, two hundred five million, two hundred three thousand, two hundred fifty-five".