11056003697 has 2 divisors, whose sum is σ = 11056003698. Its totient is φ = 11056003696.

The previous prime is 11056003681. The next prime is 11056003723. The reversal of 11056003697 is 79630065011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10939277281 + 116726416 = 104591^2 + 10804^2 .

It is a cyclic number.

It is not a de Polignac number, because 11056003697 - 2⁴ = 11056003681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11056003697.

It is not a weakly prime, because it can be changed into another prime (11056003657) 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 as a sum of consecutive naturals, namely, 5528001848 + 5528001849.

It is an arithmetic number, because the mean of its divisors is an integer number (5528001849).

Almost surely, 2^11056003697 is an apocalyptic number.

It is an amenable number.

11056003697 is a deficient number, since it is larger than the sum of its proper divisors (1).

11056003697 is an equidigital number, since it uses as much as digits as its factorization.

11056003697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 38.

The spelling of 11056003697 in words is "eleven billion, fifty-six million, three thousand, six hundred ninety-seven".