11301211005 has 16 divisors (see below), whose sum is σ = 20665071744. Its totient is φ = 5166267840.

The previous prime is 11301210979. The next prime is 11301211049. The reversal of 11301211005 is 50011210311.

It is not a de Polignac number, because 11301211005 - 2¹¹ = 11301208957 is a prime.

It is a super-2 number, since 2×11301211005² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53815186 + ... + 53815395.

It is an arithmetic number, because the mean of its divisors is an integer number (1291566984).

Almost surely, 2^11301211005 is an apocalyptic number.

11301211005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11301211005 is a deficient number, since it is larger than the sum of its proper divisors (9363860739).

11301211005 is a wasteful number, since it uses less digits than its factorization.

11301211005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107630596.

The product of its (nonzero) digits is 30, while the sum is 15.

Adding to 11301211005 its reverse (50011210311), we get a palindrome (61312421316).

The spelling of 11301211005 in words is "eleven billion, three hundred one million, two hundred eleven thousand, five".