11560611101 has 4 divisors (see below), whose sum is σ = 12449888892. Its totient is φ = 10671333312.

The previous prime is 11560611089. The next prime is 11560611107. The reversal of 11560611101 is 10111606511.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2818548100 + 8742063001 = 53090^2 + 93499^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11560611101 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 (11560611107) 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, 444638876 + ... + 444638901.

It is an arithmetic number, because the mean of its divisors is an integer number (3112472223).

Almost surely, 2^11560611101 is an apocalyptic number.

It is an amenable number.

11560611101 is a deficient number, since it is larger than the sum of its proper divisors (889277791).

11560611101 is an equidigital number, since it uses as much as digits as its factorization.

11560611101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889277790.

The product of its (nonzero) digits is 180, while the sum is 23.

The spelling of 11560611101 in words is "eleven billion, five hundred sixty million, six hundred eleven thousand, one hundred one".