11101011100011 has 72 divisors (see below), whose sum is σ = 18715420105200. Its totient is φ = 6322137494400.

The previous prime is 11101011100007. The next prime is 11101011100043. The reversal of 11101011100011 is 11000111010111.

It is not a de Polignac number, because 11101011100011 - 2² = 11101011100007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11101011099966 and 11101011100002.

It is not an unprimeable number, because it can be changed into a prime (11101011100211) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 223160380 + ... + 223210118.

It is an arithmetic number, because the mean of its divisors is an integer number (259936390350).

Almost surely, 2^{11101011100011} is an apocalyptic number.

11101011100011 is a deficient number, since it is larger than the sum of its proper divisors (7614409005189).

11101011100011 is a wasteful number, since it uses less digits than its factorization.

11101011100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51449 (or 51439 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 11101011100011 its reverse (11000111010111), we get a palindrome (22101122110122).

The spelling of 11101011100011 in words is "eleven trillion, one hundred one billion, eleven million, one hundred thousand, eleven".