7128653025 has 96 divisors (see below), whose sum is σ = 12966670080. Its totient is φ = 3434618880.

The previous prime is 7128652987. The next prime is 7128653029. The reversal of 7128653025 is 5203568217.

It is not a de Polignac number, because 7128653025 - 2⁷ = 7128652897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (7128653029) 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, 9805212 + ... + 9805938.

It is an arithmetic number, because the mean of its divisors is an integer number (135069480).

Almost surely, 2^7128653025 is an apocalyptic number.

7128653025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7128653025 is a deficient number, since it is larger than the sum of its proper divisors (5838017055).

7128653025 is a wasteful number, since it uses less digits than its factorization.

7128653025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 7128653025 is about 84431.3509604104. The cubic root of 7128653025 is about 1924.5793672496.

The spelling of 7128653025 in words is "seven billion, one hundred twenty-eight million, six hundred fifty-three thousand, twenty-five".