128032625214231 has 8 divisors (see below), whose sum is σ = 171424435434240. Its totient is φ = 84997949235192.

The previous prime is 128032625214229. The next prime is 128032625214239. The reversal of 128032625214231 is 132412526230821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 128032625214231 - 2¹ = 128032625214229 is a prime.

It is a super-4 number, since 4×128032625214231⁴ (a number of 58 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128032625214239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89283559405 + ... + 89283560838.

It is an arithmetic number, because the mean of its divisors is an integer number (21428054429280).

Almost surely, 2^{128032625214231} is an apocalyptic number.

128032625214231 is a deficient number, since it is larger than the sum of its proper divisors (43391810220009).

128032625214231 is a wasteful number, since it uses less digits than its factorization.

128032625214231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178567120485.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 128032625214231 in words is "one hundred twenty-eight trillion, thirty-two billion, six hundred twenty-five million, two hundred fourteen thousand, two hundred thirty-one".