128229513575 has 12 divisors (see below), whose sum is σ = 159705064680. Its totient is φ = 102131696160.

The previous prime is 128229513569. The next prime is 128229513691. The reversal of 128229513575 is 575315922821.

It is a de Polignac number, because none of the positive numbers 2^k-128229513575 is a prime.

It is a super-2 number, since 2×128229513575² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11292080 + ... + 11303429.

It is an arithmetic number, because the mean of its divisors is an integer number (13308755390).

Almost surely, 2^128229513575 is an apocalyptic number.

128229513575 is a deficient number, since it is larger than the sum of its proper divisors (31475551105).

128229513575 is a wasteful number, since it uses less digits than its factorization.

128229513575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22595746 (or 22595741 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 50.

The spelling of 128229513575 in words is "one hundred twenty-eight billion, two hundred twenty-nine million, five hundred thirteen thousand, five hundred seventy-five".