106611287 has 2 divisors, whose sum is σ = 106611288. Its totient is φ = 106611286.

The previous prime is 106611251. The next prime is 106611311. The reversal of 106611287 is 782116601.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106611287 - 2¹⁸ = 106349143 is a prime.

It is a super-2 number, since 2×106611287² = 22731933031592738, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106611227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53305643 + 53305644.

It is an arithmetic number, because the mean of its divisors is an integer number (53305644).

Almost surely, 2^106611287 is an apocalyptic number.

106611287 is a deficient number, since it is larger than the sum of its proper divisors (1).

106611287 is an equidigital number, since it uses as much as digits as its factorization.

106611287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 106611287 is about 10325.2741852214. The cubic root of 106611287 is about 474.1703515716.

Adding to 106611287 its reverse (782116601), we get a palindrome (888727888).

The spelling of 106611287 in words is "one hundred six million, six hundred eleven thousand, two hundred eighty-seven".