1087110161 has 2 divisors, whose sum is σ = 1087110162. Its totient is φ = 1087110160.

The previous prime is 1087110127. The next prime is 1087110163. The reversal of 1087110161 is 1610117801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 777350161 + 309760000 = 27881^2 + 17600^2 .

It is an emirp because it is prime and its reverse (1610117801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1087110161 is a prime.

Together with 1087110163, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1087110161.

It is not a weakly prime, because it can be changed into another prime (1087110163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543555080 + 543555081.

It is an arithmetic number, because the mean of its divisors is an integer number (543555081).

Almost surely, 2^1087110161 is an apocalyptic number.

It is an amenable number.

1087110161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087110161 is an equidigital number, since it uses as much as digits as its factorization.

1087110161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 26.

The square root of 1087110161 is about 32971.3536422149. The cubic root of 1087110161 is about 1028.2321643650.

Adding to 1087110161 its reverse (1610117801), we get a palindrome (2697227962).

The spelling of 1087110161 in words is "one billion, eighty-seven million, one hundred ten thousand, one hundred sixty-one".