101243513377 has 2 divisors, whose sum is σ = 101243513378. Its totient is φ = 101243513376.

The previous prime is 101243513353. The next prime is 101243513407. The reversal of 101243513377 is 773315342101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74134220176 + 27109293201 = 272276^2 + 164649^2 .

It is a cyclic number.

It is not a de Polignac number, because 101243513377 - 2¹⁵ = 101243480609 is a prime.

It is not a weakly prime, because it can be changed into another prime (101243513177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50621756688 + 50621756689.

It is an arithmetic number, because the mean of its divisors is an integer number (50621756689).

Almost surely, 2^101243513377 is an apocalyptic number.

It is an amenable number.

101243513377 is a deficient number, since it is larger than the sum of its proper divisors (1).

101243513377 is an equidigital number, since it uses as much as digits as its factorization.

101243513377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 37.

Adding to 101243513377 its reverse (773315342101), we get a palindrome (874558855478).

The spelling of 101243513377 in words is "one hundred one billion, two hundred forty-three million, five hundred thirteen thousand, three hundred seventy-seven".