128070984525 has 96 divisors (see below), whose sum is σ = 255215950848. Its totient is φ = 55901260800.

The previous prime is 128070984521. The next prime is 128070984539. The reversal of 128070984525 is 525489070821.

It is not a de Polignac number, because 128070984525 - 2² = 128070984521 is a prime.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128070984521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 124062 + ... + 521088.

It is an arithmetic number, because the mean of its divisors is an integer number (2658499488).

Almost surely, 2^128070984525 is an apocalyptic number.

128070984525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

128070984525 is a deficient number, since it is larger than the sum of its proper divisors (127144966323).

128070984525 is a wasteful number, since it uses less digits than its factorization.

128070984525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397091 (or 397086 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 51.

The spelling of 128070984525 in words is "one hundred twenty-eight billion, seventy million, nine hundred eighty-four thousand, five hundred twenty-five".