128553253402 has 16 divisors (see below), whose sum is σ = 227485942272. Its totient is φ = 53317017360.

The previous prime is 128553253391. The next prime is 128553253421. The reversal of 128553253402 is 204352355821.

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, 148102393 + ... + 148103260.

It is an arithmetic number, because the mean of its divisors is an integer number (14217871392).

Almost surely, 2^128553253402 is an apocalyptic number.

128553253402 is a deficient number, since it is larger than the sum of its proper divisors (98932688870).

128553253402 is a wasteful number, since it uses less digits than its factorization.

128553253402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296205693.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 128553253402 in words is "one hundred twenty-eight billion, five hundred fifty-three million, two hundred fifty-three thousand, four hundred two".