100555105605127 has 2 divisors, whose sum is σ = 100555105605128. Its totient is φ = 100555105605126.

The previous prime is 100555105605091. The next prime is 100555105605131. The reversal of 100555105605127 is 721506501555001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100555105605127 - 2⁷ = 100555105604999 is a prime.

It is a super-2 number, since 2×100555105605127² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100555105605137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50277552802563 + 50277552802564.

It is an arithmetic number, because the mean of its divisors is an integer number (50277552802564).

Almost surely, 2^{100555105605127} is an apocalyptic number.

100555105605127 is a deficient number, since it is larger than the sum of its proper divisors (1).

100555105605127 is an equidigital number, since it uses as much as digits as its factorization.

100555105605127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262500, while the sum is 43.

The spelling of 100555105605127 in words is "one hundred trillion, five hundred fifty-five billion, one hundred five million, six hundred five thousand, one hundred twenty-seven".