11000109061 has 4 divisors (see below), whose sum is σ = 11000848000. Its totient is φ = 10999370124.

The previous prime is 11000109041. The next prime is 11000109067. The reversal of 11000109061 is 16090100011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11000109061 - 2⁹ = 11000108549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000109067) 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, 346671 + ... + 377068.

It is an arithmetic number, because the mean of its divisors is an integer number (2750212000).

Almost surely, 2^11000109061 is an apocalyptic number.

It is an amenable number.

11000109061 is a deficient number, since it is larger than the sum of its proper divisors (738939).

11000109061 is an equidigital number, since it uses as much as digits as its factorization.

11000109061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738938.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 11000109061 its reverse (16090100011), we get a palindrome (27090209072).

The spelling of 11000109061 in words is "eleven billion, one hundred nine thousand, sixty-one".