128174812048 has 20 divisors (see below), whose sum is σ = 254395741068. Its totient is φ = 62524298240.

The previous prime is 128174812009. The next prime is 128174812109. The reversal of 128174812048 is 840218471821.

It can be written as a sum of positive squares in 2 ways, for example, as 40776532624 + 87398279424 = 201932^2 + 295632^2 .

It is a junction number, because it is equal to n+sod(n) for n = 128174811989 and 128174812007.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97693561 + ... + 97694872.

Almost surely, 2^128174812048 is an apocalyptic number.

It is an amenable number.

128174812048 is a deficient number, since it is larger than the sum of its proper divisors (126220929020).

128174812048 is a wasteful number, since it uses less digits than its factorization.

128174812048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195388482 (or 195388476 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 46.

The spelling of 128174812048 in words is "one hundred twenty-eight billion, one hundred seventy-four million, eight hundred twelve thousand, forty-eight".