128567696050 has 48 divisors (see below), whose sum is σ = 253314902880. Its totient is φ = 48380514560.

The previous prime is 128567696009. The next prime is 128567696063. The reversal of 128567696050 is 50696765821.

It is a junction number, because it is equal to n+sod(n) for n = 128567695982 and 128567696000.

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, 1955817 + ... + 2020483.

It is an arithmetic number, because the mean of its divisors is an integer number (5277393810).

Almost surely, 2^128567696050 is an apocalyptic number.

128567696050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128567696050 is a deficient number, since it is larger than the sum of its proper divisors (124747206830).

128567696050 is a wasteful number, since it uses less digits than its factorization.

128567696050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67035 (or 67030 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 128567696050 in words is "one hundred twenty-eight billion, five hundred sixty-seven million, six hundred ninety-six thousand, fifty".