128151495793 has 2 divisors, whose sum is σ = 128151495794. Its totient is φ = 128151495792.

The previous prime is 128151495781. The next prime is 128151495821. The reversal of 128151495793 is 397594151821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108196260624 + 19955235169 = 328932^2 + 141263^2 .

It is a cyclic number.

It is not a de Polignac number, because 128151495793 - 2¹³ = 128151487601 is a prime.

It is not a weakly prime, because it can be changed into another prime (128151495713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64075747896 + 64075747897.

It is an arithmetic number, because the mean of its divisors is an integer number (64075747897).

Almost surely, 2^128151495793 is an apocalyptic number.

It is an amenable number.

128151495793 is a deficient number, since it is larger than the sum of its proper divisors (1).

128151495793 is an equidigital number, since it uses as much as digits as its factorization.

128151495793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 55.

The spelling of 128151495793 in words is "one hundred twenty-eight billion, one hundred fifty-one million, four hundred ninety-five thousand, seven hundred ninety-three".