128034770313850 has 12 divisors (see below), whose sum is σ = 238144672783854. Its totient is φ = 51213908125520.

The previous prime is 128034770313809. The next prime is 128034770313911. The reversal of 128034770313850 is 58313077430821.

It can be written as a sum of positive squares in 3 ways, for example, as 111472483150809 + 16562287163041 = 10558053^2 + 4069679^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1280347703089 + ... + 1280347703188.

Almost surely, 2^{128034770313850} is an apocalyptic number.

128034770313850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128034770313850 is a deficient number, since it is larger than the sum of its proper divisors (110109902470004).

128034770313850 is a wasteful number, since it uses less digits than its factorization.

128034770313850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560695406289 (or 2560695406284 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 128034770313850 in words is "one hundred twenty-eight trillion, thirty-four billion, seven hundred seventy million, three hundred thirteen thousand, eight hundred fifty".