11081503211 has 16 divisors (see below), whose sum is σ = 11431173600. Its totient is φ = 10736264448.

The previous prime is 11081503187. The next prime is 11081503217. The reversal of 11081503211 is 11230518011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11081503211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11081503217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5460545 + ... + 5462573.

It is an arithmetic number, because the mean of its divisors is an integer number (714448350).

Almost surely, 2^11081503211 is an apocalyptic number.

11081503211 is a deficient number, since it is larger than the sum of its proper divisors (349670389).

11081503211 is a wasteful number, since it uses less digits than its factorization.

11081503211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038.

The product of its (nonzero) digits is 240, while the sum is 23.

The spelling of 11081503211 in words is "eleven billion, eighty-one million, five hundred three thousand, two hundred eleven".