128925254911 has 2 divisors, whose sum is σ = 128925254912. Its totient is φ = 128925254910.

The previous prime is 128925254873. The next prime is 128925254917. The reversal of 128925254911 is 119452529821.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128925254911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128925254917) 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, 64462627455 + 64462627456.

It is an arithmetic number, because the mean of its divisors is an integer number (64462627456).

Almost surely, 2^128925254911 is an apocalyptic number.

128925254911 is a deficient number, since it is larger than the sum of its proper divisors (1).

128925254911 is an equidigital number, since it uses as much as digits as its factorization.

128925254911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 49.

The spelling of 128925254911 in words is "one hundred twenty-eight billion, nine hundred twenty-five million, two hundred fifty-four thousand, nine hundred eleven".