109615000681 has 2 divisors, whose sum is σ = 109615000682. Its totient is φ = 109615000680.

The previous prime is 109615000667. The next prime is 109615000687. The reversal of 109615000681 is 186000516901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104151425625 + 5463575056 = 322725^2 + 73916^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109615000681 is a prime.

It is a super-2 number, since 2×109615000681² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 109615000681.

It is not a weakly prime, because it can be changed into another prime (109615000687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54807500340 + 54807500341.

It is an arithmetic number, because the mean of its divisors is an integer number (54807500341).

Almost surely, 2^109615000681 is an apocalyptic number.

It is an amenable number.

109615000681 is a deficient number, since it is larger than the sum of its proper divisors (1).

109615000681 is an equidigital number, since it uses as much as digits as its factorization.

109615000681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 37.

The spelling of 109615000681 in words is "one hundred nine billion, six hundred fifteen million, six hundred eighty-one", and thus it is an aban number.