1105621366973 has 2 divisors, whose sum is σ = 1105621366974. Its totient is φ = 1105621366972.

The previous prime is 1105621366957. The next prime is 1105621367063. The reversal of 1105621366973 is 3796631265011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 865891664089 + 239729702884 = 930533^2 + 489622^2 .

It is a cyclic number.

It is not a de Polignac number, because 1105621366973 - 2⁴ = 1105621366957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105621366903) 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, 552810683486 + 552810683487.

It is an arithmetic number, because the mean of its divisors is an integer number (552810683487).

Almost surely, 2^{1105621366973} is an apocalyptic number.

It is an amenable number.

1105621366973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105621366973 is an equidigital number, since it uses as much as digits as its factorization.

1105621366973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The spelling of 1105621366973 in words is "one trillion, one hundred five billion, six hundred twenty-one million, three hundred sixty-six thousand, nine hundred seventy-three".