106811569 has 2 divisors, whose sum is σ = 106811570. Its totient is φ = 106811568.

The previous prime is 106811543. The next prime is 106811587. The reversal of 106811569 is 965118601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59367025 + 47444544 = 7705^2 + 6888^2 .

It is a cyclic number.

It is not a de Polignac number, because 106811569 - 2¹³ = 106803377 is a prime.

It is a super-2 number, since 2×106811569² = 22817422544483522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106817569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53405784 + 53405785.

It is an arithmetic number, because the mean of its divisors is an integer number (53405785).

Almost surely, 2^106811569 is an apocalyptic number.

It is an amenable number.

106811569 is a deficient number, since it is larger than the sum of its proper divisors (1).

106811569 is an equidigital number, since it uses as much as digits as its factorization.

106811569 is an evil number, because the sum of its binary digits is even.

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

The square root of 106811569 is about 10334.9682631346. The cubic root of 106811569 is about 474.4670943199.

The spelling of 106811569 in words is "one hundred six million, eight hundred eleven thousand, five hundred sixty-nine".