106851252689 has 2 divisors, whose sum is σ = 106851252690. Its totient is φ = 106851252688.

The previous prime is 106851252667. The next prime is 106851252701. The reversal of 106851252689 is 986252158601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55677121600 + 51174131089 = 235960^2 + 226217^2 .

It is a cyclic number.

It is not a de Polignac number, because 106851252689 - 2¹⁶ = 106851187153 is a prime.

It is a super-2 number, since 2×106851252689² (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 106851252689.

It is not a weakly prime, because it can be changed into another prime (106854252689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53425626344 + 53425626345.

It is an arithmetic number, because the mean of its divisors is an integer number (53425626345).

Almost surely, 2^106851252689 is an apocalyptic number.

It is an amenable number.

106851252689 is a deficient number, since it is larger than the sum of its proper divisors (1).

106851252689 is an equidigital number, since it uses as much as digits as its factorization.

106851252689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2073600, while the sum is 53.

The spelling of 106851252689 in words is "one hundred six billion, eight hundred fifty-one million, two hundred fifty-two thousand, six hundred eighty-nine".