128847656411 has 8 divisors (see below), whose sum is σ = 130157023920. Its totient is φ = 127541256192.

The previous prime is 128847656407. The next prime is 128847656467. The reversal of 128847656411 is 114656748821.

It is a happy number.

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 128847656411 - 2² = 128847656407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128847656401) 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, 654485 + ... + 828278.

It is an arithmetic number, because the mean of its divisors is an integer number (16269627990).

Almost surely, 2^128847656411 is an apocalyptic number.

128847656411 is a deficient number, since it is larger than the sum of its proper divisors (1309367509).

128847656411 is a wasteful number, since it uses less digits than its factorization.

128847656411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483645.

The product of its digits is 2580480, while the sum is 53.

The spelling of 128847656411 in words is "one hundred twenty-eight billion, eight hundred forty-seven million, six hundred fifty-six thousand, four hundred eleven".