11056010509 has 2 divisors, whose sum is σ = 11056010510. Its totient is φ = 11056010508.

The previous prime is 11056010477. The next prime is 11056010533. The reversal of 11056010509 is 90501065011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9116048484 + 1939962025 = 95478^2 + 44045^2 .

It is a cyclic number.

It is not a de Polignac number, because 11056010509 - 2⁵ = 11056010477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11056040509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5528005254 + 5528005255.

It is an arithmetic number, because the mean of its divisors is an integer number (5528005255).

Almost surely, 2^11056010509 is an apocalyptic number.

It is an amenable number.

11056010509 is a deficient number, since it is larger than the sum of its proper divisors (1).

11056010509 is an equidigital number, since it uses as much as digits as its factorization.

11056010509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 28.

The spelling of 11056010509 in words is "eleven billion, fifty-six million, ten thousand, five hundred nine".