128031744433504 has 24 divisors (see below), whose sum is σ = 252431548868520. Its totient is φ = 63922144720896.

The previous prime is 128031744433501. The next prime is 128031744433511. The reversal of 128031744433504 is 405334447130821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128031744433501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2928962049 + ... + 2929005760.

It is an arithmetic number, because the mean of its divisors is an integer number (10517981202855).

Almost surely, 2^{128031744433504} is an apocalyptic number.

It is an amenable number.

128031744433504 is a deficient number, since it is larger than the sum of its proper divisors (124399804435016).

128031744433504 is an equidigital number, since it uses as much as digits as its factorization.

128031744433504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5857968502 (or 5857968494 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 49.

The spelling of 128031744433504 in words is "one hundred twenty-eight trillion, thirty-one billion, seven hundred forty-four million, four hundred thirty-three thousand, five hundred four".