128056357355 has 8 divisors (see below), whose sum is σ = 153671146272. Its totient is φ = 102442740928.

The previous prime is 128056357333. The next prime is 128056357361. The reversal of 128056357355 is 553753650821.

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

It is a cyclic number.

It is not a de Polignac number, because 128056357355 - 2²⁰ = 128055308779 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31634 + ... + 507063.

It is an arithmetic number, because the mean of its divisors is an integer number (19208893284).

Almost surely, 2^128056357355 is an apocalyptic number.

128056357355 is a deficient number, since it is larger than the sum of its proper divisors (25614788917).

128056357355 is an equidigital number, since it uses as much as digits as its factorization.

128056357355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586245.

The product of its (nonzero) digits is 3780000, while the sum is 50.

The spelling of 128056357355 in words is "one hundred twenty-eight billion, fifty-six million, three hundred fifty-seven thousand, three hundred fifty-five".