128633367507275 has 24 divisors (see below), whose sum is σ = 170265189830400. Its totient is φ = 96117445821600.

The previous prime is 128633367507259. The next prime is 128633367507329. The reversal of 128633367507275 is 572705763336821.

It is not a de Polignac number, because 128633367507275 - 2⁴ = 128633367507259 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1907058455 + ... + 1907125904.

It is an arithmetic number, because the mean of its divisors is an integer number (7094382909600).

Almost surely, 2^{128633367507275} is an apocalyptic number.

128633367507275 is a deficient number, since it is larger than the sum of its proper divisors (41631822323125).

128633367507275 is a wasteful number, since it uses less digits than its factorization.

128633367507275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3814184459 (or 3814184454 counting only the distinct ones).

The product of its (nonzero) digits is 266716800, while the sum is 65.

The spelling of 128633367507275 in words is "one hundred twenty-eight trillion, six hundred thirty-three billion, three hundred sixty-seven million, five hundred seven thousand, two hundred seventy-five".