11101243655 has 4 divisors (see below), whose sum is σ = 13321492392. Its totient is φ = 8880994920.

The previous prime is 11101243649. The next prime is 11101243709. The reversal of 11101243655 is 55634210111.

11101243655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55634210111 = 51949 ⋅1070939.

It is not a de Polignac number, because 11101243655 - 2²⁴ = 11084466439 is a prime.

It is a super-2 number, since 2×11101243655² (a number of 21 digits) contains 22 as substring.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110124361 + ... + 1110124370.

It is an arithmetic number, because the mean of its divisors is an integer number (3330373098).

Almost surely, 2^11101243655 is an apocalyptic number.

11101243655 is a deficient number, since it is larger than the sum of its proper divisors (2220248737).

11101243655 is an equidigital number, since it uses as much as digits as its factorization.

11101243655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220248736.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 11101243655 its reverse (55634210111), we get a palindrome (66735453766).

The spelling of 11101243655 in words is "eleven billion, one hundred one million, two hundred forty-three thousand, six hundred fifty-five".