128032312737255 has 64 divisors (see below), whose sum is σ = 221612245747200. Its totient is φ = 62906626529280.

The previous prime is 128032312737139. The next prime is 128032312737281. The reversal of 128032312737255 is 552737213230821.

It is not a de Polignac number, because 128032312737255 - 2⁹ = 128032312736743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128032312737198 and 128032312737207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14257950 + ... + 21432539.

It is an arithmetic number, because the mean of its divisors is an integer number (3462691339800).

Almost surely, 2^{128032312737255} is an apocalyptic number.

128032312737255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

128032312737255 is a deficient number, since it is larger than the sum of its proper divisors (93579933009945).

128032312737255 is a wasteful number, since it uses less digits than its factorization.

128032312737255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35690864.

The product of its (nonzero) digits is 4233600, while the sum is 51.

The spelling of 128032312737255 in words is "one hundred twenty-eight trillion, thirty-two billion, three hundred twelve million, seven hundred thirty-seven thousand, two hundred fifty-five".