12055203511 has 8 divisors (see below), whose sum is σ = 12994165184. Its totient is φ = 11117904480.

The previous prime is 12055203487. The next prime is 12055203539. The reversal of 12055203511 is 11530255021.

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 12055203511 - 2¹³ = 12055195319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12055203541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400575 + ... + 429616.

It is an arithmetic number, because the mean of its divisors is an integer number (1624270648).

Almost surely, 2^12055203511 is an apocalyptic number.

12055203511 is a deficient number, since it is larger than the sum of its proper divisors (938961673).

12055203511 is a wasteful number, since it uses less digits than its factorization.

12055203511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831321.

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 12055203511 its reverse (11530255021), we get a palindrome (23585458532).

The spelling of 12055203511 in words is "twelve billion, fifty-five million, two hundred three thousand, five hundred eleven".