11210311205 has 16 divisors (see below), whose sum is σ = 14040134784. Its totient is φ = 8576568000.

The previous prime is 11210311199. The next prime is 11210311279. The reversal of 11210311205 is 50211301211.

11210311205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11210311205 - 2¹⁸ = 11210049061 is a prime.

It is a super-3 number, since 3×11210311205³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 971882 + ... + 983348.

It is an arithmetic number, because the mean of its divisors is an integer number (877508424).

Almost surely, 2^11210311205 is an apocalyptic number.

It is an amenable number.

11210311205 is a deficient number, since it is larger than the sum of its proper divisors (2829823579).

11210311205 is a wasteful number, since it uses less digits than its factorization.

11210311205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19996.

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 11210311205 its reverse (50211301211), we get a palindrome (61421612416).

The spelling of 11210311205 in words is "eleven billion, two hundred ten million, three hundred eleven thousand, two hundred five".