110515006556161 has 2 divisors, whose sum is σ = 110515006556162. Its totient is φ = 110515006556160.

The previous prime is 110515006556117. The next prime is 110515006556239. The reversal of 110515006556161 is 161655600515011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100283580760561 + 10231425795600 = 10014169^2 + 3198660^2 .

It is a cyclic number.

It is not a de Polignac number, because 110515006556161 - 2¹⁹ = 110515006031873 is a prime.

It is not a weakly prime, because it can be changed into another prime (110515006556861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55257503278080 + 55257503278081.

It is an arithmetic number, because the mean of its divisors is an integer number (55257503278081).

Almost surely, 2^{110515006556161} is an apocalyptic number.

It is an amenable number.

110515006556161 is a deficient number, since it is larger than the sum of its proper divisors (1).

110515006556161 is an equidigital number, since it uses as much as digits as its factorization.

110515006556161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135000, while the sum is 43.

The spelling of 110515006556161 in words is "one hundred ten trillion, five hundred fifteen billion, six million, five hundred fifty-six thousand, one hundred sixty-one".