128425690756480 has 1536 divisors, whose sum is σ = 386044567401600. Its totient is φ = 40544407388160.

The previous prime is 128425690756477. The next prime is 128425690756487. The reversal of 128425690756480 is 84657096524821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128425690756487) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 94361271000 + ... + 94361272360.

Almost surely, 2^{128425690756480} is an apocalyptic number.

128425690756480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128425690756480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193022283700800).

128425690756480 is an abundant number, since it is smaller than the sum of its proper divisors (257618876645120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128425690756480 is a wasteful number, since it uses less digits than its factorization.

128425690756480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552 (or 1527 counting only the distinct ones).

The product of its (nonzero) digits is 232243200, while the sum is 67.

The spelling of 128425690756480 in words is "one hundred twenty-eight trillion, four hundred twenty-five billion, six hundred ninety million, seven hundred fifty-six thousand, four hundred eighty".