101151041909 has 2 divisors, whose sum is σ = 101151041910. Its totient is φ = 101151041908.

The previous prime is 101151041837. The next prime is 101151041911. The reversal of 101151041909 is 909140151101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53330974225 + 47820067684 = 230935^2 + 218678^2 .

It is a cyclic number.

It is not a de Polignac number, because 101151041909 - 2¹⁶ = 101150976373 is a prime.

Together with 101151041911, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101151043909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50575520954 + 50575520955.

It is an arithmetic number, because the mean of its divisors is an integer number (50575520955).

Almost surely, 2^101151041909 is an apocalyptic number.

It is an amenable number.

101151041909 is a deficient number, since it is larger than the sum of its proper divisors (1).

101151041909 is an equidigital number, since it uses as much as digits as its factorization.

101151041909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 32.

The spelling of 101151041909 in words is "one hundred one billion, one hundred fifty-one million, forty-one thousand, nine hundred nine".