101501128789 has 2 divisors, whose sum is σ = 101501128790. Its totient is φ = 101501128788.

The previous prime is 101501128739. The next prime is 101501128819. The reversal of 101501128789 is 987821105101.

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., 58863008689 + 42638120100 = 242617^2 + 206490^2 .

It is a cyclic number.

It is not a de Polignac number, because 101501128789 - 2⁹ = 101501128277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101501128739) 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, 50750564394 + 50750564395.

It is an arithmetic number, because the mean of its divisors is an integer number (50750564395).

Almost surely, 2^101501128789 is an apocalyptic number.

It is an amenable number.

101501128789 is a deficient number, since it is larger than the sum of its proper divisors (1).

101501128789 is an equidigital number, since it uses as much as digits as its factorization.

101501128789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 43.

The spelling of 101501128789 in words is "one hundred one billion, five hundred one million, one hundred twenty-eight thousand, seven hundred eighty-nine".