11560104511 has 4 divisors (see below), whose sum is σ = 11560332472. Its totient is φ = 11559876552.

The previous prime is 11560104481. The next prime is 11560104541. The reversal of 11560104511 is 11540106511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11540106511 = 139 ⋅83022349.

It is an interprime number because it is at equal distance from previous prime (11560104481) and next prime (11560104541).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11560104511 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 (11560104541) 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, 241 + ... + 152053.

It is an arithmetic number, because the mean of its divisors is an integer number (2890083118).

Almost surely, 2^11560104511 is an apocalyptic number.

11560104511 is a deficient number, since it is larger than the sum of its proper divisors (227961).

11560104511 is an equidigital number, since it uses as much as digits as its factorization.

11560104511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227960.

The product of its (nonzero) digits is 600, while the sum is 25.

The spelling of 11560104511 in words is "eleven billion, five hundred sixty million, one hundred four thousand, five hundred eleven".