11100561011 has 4 divisors (see below), whose sum is σ = 11208333552. Its totient is φ = 10992788472.

The previous prime is 11100560993. The next prime is 11100561019. The reversal of 11100561011 is 11016500111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11100561011 - 2¹⁴ = 11100544627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11100561019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53886116 + ... + 53886321.

It is an arithmetic number, because the mean of its divisors is an integer number (2802083388).

Almost surely, 2^11100561011 is an apocalyptic number.

11100561011 is a deficient number, since it is larger than the sum of its proper divisors (107772541).

11100561011 is a wasteful number, since it uses less digits than its factorization.

11100561011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107772540.

The product of its (nonzero) digits is 30, while the sum is 17.

The spelling of 11100561011 in words is "eleven billion, one hundred million, five hundred sixty-one thousand, eleven".