128104855624461 has 8 divisors (see below), whose sum is σ = 173606580300064. Its totient is φ = 84003184015920.

The previous prime is 128104855624451. The next prime is 128104855624579. The reversal of 128104855624461 is 164426558401821.

128104855624461 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 128104855624461 - 2⁵ = 128104855624429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128104855624451) 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, 350013266551 + ... + 350013266916.

It is an arithmetic number, because the mean of its divisors is an integer number (21700822537508).

Almost surely, 2^{128104855624461} is an apocalyptic number.

It is an amenable number.

128104855624461 is a deficient number, since it is larger than the sum of its proper divisors (45501724675603).

128104855624461 is an equidigital number, since it uses as much as digits as its factorization.

128104855624461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700026533531.

The product of its (nonzero) digits is 14745600, while the sum is 57.

The spelling of 128104855624461 in words is "one hundred twenty-eight trillion, one hundred four billion, eight hundred fifty-five million, six hundred twenty-four thousand, four hundred sixty-one".