1121005066637 has 2 divisors, whose sum is σ = 1121005066638. Its totient is φ = 1121005066636.

The previous prime is 1121005066609. The next prime is 1121005066663. The reversal of 1121005066637 is 7366605001211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 630807646756 + 490197419881 = 794234^2 + 700141^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121005066637 - 2¹⁰ = 1121005065613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1121005066637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121005066667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560502533318 + 560502533319.

It is an arithmetic number, because the mean of its divisors is an integer number (560502533319).

Almost surely, 2^{1121005066637} is an apocalyptic number.

It is an amenable number.

1121005066637 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121005066637 is an equidigital number, since it uses as much as digits as its factorization.

1121005066637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 1121005066637 in words is "one trillion, one hundred twenty-one billion, five million, sixty-six thousand, six hundred thirty-seven".