11215006005 has 32 divisors (see below), whose sum is σ = 21214598400. Its totient is φ = 4950070272.

The previous prime is 11215005937. The next prime is 11215006037. The reversal of 11215006005 is 50060051211.

It is not a de Polignac number, because 11215006005 - 2¹⁰ = 11215004981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 31 ways as a sum of consecutive naturals, for example, 1838500 + ... + 1844589.

It is an arithmetic number, because the mean of its divisors is an integer number (662956200).

Almost surely, 2^11215006005 is an apocalyptic number.

11215006005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11215006005 is a deficient number, since it is larger than the sum of its proper divisors (9999592395).

11215006005 is a wasteful number, since it uses less digits than its factorization.

11215006005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683133.

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 11215006005 its reverse (50060051211), we get a palindrome (61275057216).

The spelling of 11215006005 in words is "eleven billion, two hundred fifteen million, six thousand, five".