11156062172 has 6 divisors (see below), whose sum is σ = 19523108808. Its totient is φ = 5578031084.

The previous prime is 11156062139. The next prime is 11156062187. The reversal of 11156062172 is 27126065111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1394507768 + ... + 1394507775.

It is an arithmetic number, because the mean of its divisors is an integer number (3253851468).

Almost surely, 2^11156062172 is an apocalyptic number.

It is an amenable number.

11156062172 is a deficient number, since it is larger than the sum of its proper divisors (8367046636).

11156062172 is a wasteful number, since it uses less digits than its factorization.

11156062172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789015547 (or 2789015545 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The spelling of 11156062172 in words is "eleven billion, one hundred fifty-six million, sixty-two thousand, one hundred seventy-two".