11211166652 has 24 divisors (see below), whose sum is σ = 22431876096. Its totient is φ = 4802740848.

The previous prime is 11211166639. The next prime is 11211166661. The reversal of 11211166652 is 25666111211.

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 7 ways as a sum of consecutive naturals, for example, 17288 + ... + 150735.

It is an arithmetic number, because the mean of its divisors is an integer number (934661504).

Almost surely, 2^11211166652 is an apocalyptic number.

It is an amenable number.

11211166652 is an abundant number, since it is smaller than the sum of its proper divisors (11220709444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11211166652 is a wasteful number, since it uses less digits than its factorization.

11211166652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170417 (or 170415 counting only the distinct ones).

The product of its digits is 4320, while the sum is 32.

Adding to 11211166652 its reverse (25666111211), we get a palindrome (36877277863).

The spelling of 11211166652 in words is "eleven billion, two hundred eleven million, one hundred sixty-six thousand, six hundred fifty-two".