106281905099 has 2 divisors, whose sum is σ = 106281905100. Its totient is φ = 106281905098.

The previous prime is 106281905057. The next prime is 106281905137. The reversal of 106281905099 is 990509182601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106281905099 - 2³⁶ = 37562428363 is a prime.

It is a super-2 number, since 2×106281905099² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106281955099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53140952549 + 53140952550.

It is an arithmetic number, because the mean of its divisors is an integer number (53140952550).

Almost surely, 2^106281905099 is an apocalyptic number.

106281905099 is a deficient number, since it is larger than the sum of its proper divisors (1).

106281905099 is an equidigital number, since it uses as much as digits as its factorization.

106281905099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 50.

The spelling of 106281905099 in words is "one hundred six billion, two hundred eighty-one million, nine hundred five thousand, ninety-nine".