128811872153 has 2 divisors, whose sum is σ = 128811872154. Its totient is φ = 128811872152.

The previous prime is 128811872143. The next prime is 128811872179. The reversal of 128811872153 is 351278118821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128327299984 + 484572169 = 358228^2 + 22013^2 .

It is a cyclic number.

It is not a de Polignac number, because 128811872153 - 2⁸ = 128811871897 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 128811872098 and 128811872107.

It is not a weakly prime, because it can be changed into another prime (128811872143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64405936076 + 64405936077.

It is an arithmetic number, because the mean of its divisors is an integer number (64405936077).

Almost surely, 2^128811872153 is an apocalyptic number.

It is an amenable number.

128811872153 is a deficient number, since it is larger than the sum of its proper divisors (1).

128811872153 is an equidigital number, since it uses as much as digits as its factorization.

128811872153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 215040, while the sum is 47.

The spelling of 128811872153 in words is "one hundred twenty-eight billion, eight hundred eleven million, eight hundred seventy-two thousand, one hundred fifty-three".