11056353505949 has 2 divisors, whose sum is σ = 11056353505950. Its totient is φ = 11056353505948.

The previous prime is 11056353505903. The next prime is 11056353506021. The reversal of 11056353505949 is 94950535365011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7254996120100 + 3801357385849 = 2693510^2 + 1949707^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11056353505949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11056353505894 and 11056353505903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11056353565949) 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, 5528176752974 + 5528176752975.

It is an arithmetic number, because the mean of its divisors is an integer number (5528176752975).

Almost surely, 2^{11056353505949} is an apocalyptic number.

It is an amenable number.

11056353505949 is a deficient number, since it is larger than the sum of its proper divisors (1).

11056353505949 is an equidigital number, since it uses as much as digits as its factorization.

11056353505949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10935000, while the sum is 56.

The spelling of 11056353505949 in words is "eleven trillion, fifty-six billion, three hundred fifty-three million, five hundred five thousand, nine hundred forty-nine".