128151650722185 has 64 divisors (see below), whose sum is σ = 228395141280000. Its totient is φ = 68176687896576.

The previous prime is 128151650722169. The next prime is 128151650722253. The reversal of 128151650722185 is 581227056151821.

128151650722185 is a `hidden beast` number, since 1 + 2 + 8 + 1 + 51 + 6 + 507 + 2 + 2 + 1 + 85 = 666.

It is not a de Polignac number, because 128151650722185 - 2⁴ = 128151650722169 is a prime.

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, 135403627 + ... + 136346783.

It is an arithmetic number, because the mean of its divisors is an integer number (3568674082500).

Almost surely, 2^{128151650722185} is an apocalyptic number.

128151650722185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

128151650722185 is a deficient number, since it is larger than the sum of its proper divisors (100243490557815).

128151650722185 is a wasteful number, since it uses less digits than its factorization.

128151650722185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945687 (or 945681 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 54.

The spelling of 128151650722185 in words is "one hundred twenty-eight trillion, one hundred fifty-one billion, six hundred fifty million, seven hundred twenty-two thousand, one hundred eighty-five".