128725790182 has 24 divisors (see below), whose sum is σ = 214691674680. Its totient is φ = 57407700480.

The previous prime is 128725790111. The next prime is 128725790209. The reversal of 128725790182 is 281097527821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 979707 + ... + 1103302.

It is an arithmetic number, because the mean of its divisors is an integer number (8945486445).

Almost surely, 2^128725790182 is an apocalyptic number.

128725790182 is a deficient number, since it is larger than the sum of its proper divisors (85965884498).

128725790182 is a wasteful number, since it uses less digits than its factorization.

128725790182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083128 (or 2083075 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 52.

The spelling of 128725790182 in words is "one hundred twenty-eight billion, seven hundred twenty-five million, seven hundred ninety thousand, one hundred eighty-two".