11203220183761 has 2 divisors, whose sum is σ = 11203220183762. Its totient is φ = 11203220183760.

The previous prime is 11203220183719. The next prime is 11203220183777. The reversal of 11203220183761 is 16738102230211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7702040315025 + 3501179868736 = 2775255^2 + 1871144^2 .

It is a cyclic number.

It is not a de Polignac number, because 11203220183761 - 2⁷ = 11203220183633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11203220183761.

It is not a weakly prime, because it can be changed into another prime (11203220183861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601610091880 + 5601610091881.

It is an arithmetic number, because the mean of its divisors is an integer number (5601610091881).

Almost surely, 2^{11203220183761} is an apocalyptic number.

It is an amenable number.

11203220183761 is a deficient number, since it is larger than the sum of its proper divisors (1).

11203220183761 is an equidigital number, since it uses as much as digits as its factorization.

11203220183761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 11203220183761 in words is "eleven trillion, two hundred three billion, two hundred twenty million, one hundred eighty-three thousand, seven hundred sixty-one".