11303211005 has 16 divisors (see below), whose sum is σ = 14564012544. Its totient is φ = 8390780160.

The previous prime is 11303210969. The next prime is 11303211037. The reversal of 11303211005 is 50011230311.

It is not a de Polignac number, because 11303211005 - 2⁸ = 11303210749 is a prime.

It is a super-2 number, since 2×11303211005² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 15 ways as a sum of consecutive naturals, for example, 930437 + ... + 942506.

It is an arithmetic number, because the mean of its divisors is an integer number (910250784).

Almost surely, 2^11303211005 is an apocalyptic number.

It is an amenable number.

11303211005 is a deficient number, since it is larger than the sum of its proper divisors (3260801539).

11303211005 is a wasteful number, since it uses less digits than its factorization.

11303211005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873036.

The product of its (nonzero) digits is 90, while the sum is 17.

Adding to 11303211005 its reverse (50011230311), we get a palindrome (61314441316).

The spelling of 11303211005 in words is "eleven billion, three hundred three million, two hundred eleven thousand, five".