11101156655 has 16 divisors (see below), whose sum is σ = 14718262464. Its totient is φ = 7995102720.

The previous prime is 11101156631. The next prime is 11101156663. The reversal of 11101156655 is 55665110111.

It is a de Polignac number, because none of the positive numbers 2^k-11101156655 is a prime.

It is a Duffinian number.

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, 2837216 + ... + 2841125.

It is an arithmetic number, because the mean of its divisors is an integer number (919891404).

Almost surely, 2^11101156655 is an apocalyptic number.

11101156655 is a deficient number, since it is larger than the sum of its proper divisors (3617105809).

11101156655 is a wasteful number, since it uses less digits than its factorization.

11101156655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5678386.

The product of its (nonzero) digits is 4500, while the sum is 32.

Adding to 11101156655 its reverse (55665110111), we get a palindrome (66766266766).

The spelling of 11101156655 in words is "eleven billion, one hundred one million, one hundred fifty-six thousand, six hundred fifty-five".