11056571013 has 8 divisors (see below), whose sum is σ = 14743181376. Its totient is φ = 7370504000.

The previous prime is 11056571003. The next prime is 11056571039. The reversal of 11056571013 is 31017565011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11056571013 - 2⁴ = 11056570997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11056571003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85713 + ... + 171638.

It is an arithmetic number, because the mean of its divisors is an integer number (1842897672).

Almost surely, 2^11056571013 is an apocalyptic number.

It is an amenable number.

11056571013 is a deficient number, since it is larger than the sum of its proper divisors (3686610363).

11056571013 is a wasteful number, since it uses less digits than its factorization.

11056571013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271675.

The product of its (nonzero) digits is 3150, while the sum is 30.

The spelling of 11056571013 in words is "eleven billion, fifty-six million, five hundred seventy-one thousand, thirteen".