128425336099 has 4 divisors (see below), whose sum is σ = 128426629464. Its totient is φ = 128424042736.

The previous prime is 128425336093. The next prime is 128425336153. The reversal of 128425336099 is 990633524821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990633524821 = 101 ⋅9808252721.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128425336099 is a prime.

It is a super-2 number, since 2×128425336099² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128425336093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484117 + ... + 700870.

It is an arithmetic number, because the mean of its divisors is an integer number (32106657366).

Almost surely, 2^128425336099 is an apocalyptic number.

128425336099 is a deficient number, since it is larger than the sum of its proper divisors (1293365).

128425336099 is a wasteful number, since it uses less digits than its factorization.

128425336099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293364.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 128425336099 in words is "one hundred twenty-eight billion, four hundred twenty-five million, three hundred thirty-six thousand, ninety-nine".