128031482871578 has 64 divisors (see below), whose sum is σ = 226658730307968. Its totient is φ = 53472935608320.

The previous prime is 128031482871529. The next prime is 128031482871581. The reversal of 128031482871578 is 875178284130821.

It is a super-3 number, since 3×128031482871578³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104277026 + ... + 105497682.

It is an arithmetic number, because the mean of its divisors is an integer number (3541542661062).

Almost surely, 2^{128031482871578} is an apocalyptic number.

128031482871578 is a deficient number, since it is larger than the sum of its proper divisors (98627247436390).

128031482871578 is a wasteful number, since it uses less digits than its factorization.

128031482871578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222367.

The product of its (nonzero) digits is 48168960, while the sum is 65.

The spelling of 128031482871578 in words is "one hundred twenty-eight trillion, thirty-one billion, four hundred eighty-two million, eight hundred seventy-one thousand, five hundred seventy-eight".