109615619573 has 2 divisors, whose sum is σ = 109615619574. Its totient is φ = 109615619572.

The previous prime is 109615619549. The next prime is 109615619623. The reversal of 109615619573 is 375916516901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65209751044 + 44405868529 = 255362^2 + 210727^2 .

It is a cyclic number.

It is not a de Polignac number, because 109615619573 - 2⁸ = 109615619317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109615619513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54807809786 + 54807809787.

It is an arithmetic number, because the mean of its divisors is an integer number (54807809787).

Almost surely, 2^109615619573 is an apocalyptic number.

It is an amenable number.

109615619573 is a deficient number, since it is larger than the sum of its proper divisors (1).

109615619573 is an equidigital number, since it uses as much as digits as its factorization.

109615619573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1530900, while the sum is 53.

The spelling of 109615619573 in words is "one hundred nine billion, six hundred fifteen million, six hundred nineteen thousand, five hundred seventy-three".