11560774523 has 4 divisors (see below), whose sum is σ = 12169236360. Its totient is φ = 10952312688.

The previous prime is 11560774501. The next prime is 11560774531. The reversal of 11560774523 is 32547706511.

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 11560774523 - 2¹² = 11560770427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11560770523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304230890 + ... + 304230927.

It is an arithmetic number, because the mean of its divisors is an integer number (3042309090).

Almost surely, 2^11560774523 is an apocalyptic number.

11560774523 is a deficient number, since it is larger than the sum of its proper divisors (608461837).

11560774523 is an equidigital number, since it uses as much as digits as its factorization.

11560774523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608461836.

The product of its (nonzero) digits is 176400, while the sum is 41.

The spelling of 11560774523 in words is "eleven billion, five hundred sixty million, seven hundred seventy-four thousand, five hundred twenty-three".