11211938390053 has 2 divisors, whose sum is σ = 11211938390054. Its totient is φ = 11211938390052.

The previous prime is 11211938390011. The next prime is 11211938390069. The reversal of 11211938390053 is 35009383911211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7459109312769 + 3752829077284 = 2731137^2 + 1937222^2 .

It is a cyclic number.

It is not a de Polignac number, because 11211938390053 - 2¹⁷ = 11211938258981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11211938389985 and 11211938390012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11211938390153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605969195026 + 5605969195027.

It is an arithmetic number, because the mean of its divisors is an integer number (5605969195027).

Almost surely, 2^{11211938390053} is an apocalyptic number.

It is an amenable number.

11211938390053 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211938390053 is an equidigital number, since it uses as much as digits as its factorization.

11211938390053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 46.

The spelling of 11211938390053 in words is "eleven trillion, two hundred eleven billion, nine hundred thirty-eight million, three hundred ninety thousand, fifty-three".