11100101011011 has 24 divisors (see below), whose sum is σ = 16407713555376. Its totient is φ = 7227372398400.

The previous prime is 11100101011007. The next prime is 11100101011061. The reversal of 11100101011011 is 11011010100111.

It is not a de Polignac number, because 11100101011011 - 2² = 11100101011007 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 = 11100101010984 and 11100101011002.

It is not an unprimeable number, because it can be changed into a prime (11100101011061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3497961 + ... + 5868213.

It is an arithmetic number, because the mean of its divisors is an integer number (683654731474).

Almost surely, 2^{11100101011011} is an apocalyptic number.

11100101011011 is a deficient number, since it is larger than the sum of its proper divisors (5307612544365).

11100101011011 is a wasteful number, since it uses less digits than its factorization.

11100101011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382403 (or 2382400 counting only the distinct ones).

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

Adding to 11100101011011 its reverse (11011010100111), we get a palindrome (22111111111122).

The spelling of 11100101011011 in words is "eleven trillion, one hundred billion, one hundred one million, eleven thousand, eleven".