7125132565 has 8 divisors (see below), whose sum is σ = 9053109720. Its totient is φ = 5364805632.

The previous prime is 7125132557. The next prime is 7125132629. The reversal of 7125132565 is 5652315217.

It can be written as a sum of positive squares in 4 ways, for example, as 521619921 + 6603512644 = 22839^2 + 81262^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7125132565 - 2³ = 7125132557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41912460 + ... + 41912629.

It is an arithmetic number, because the mean of its divisors is an integer number (1131638715).

Almost surely, 2^7125132565 is an apocalyptic number.

It is an amenable number.

7125132565 is a deficient number, since it is larger than the sum of its proper divisors (1927977155).

7125132565 is a wasteful number, since it uses less digits than its factorization.

7125132565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83825111.

The product of its digits is 63000, while the sum is 37.

The square root of 7125132565 is about 84410.5003243080. The cubic root of 7125132565 is about 1924.2624995188.

The spelling of 7125132565 in words is "seven billion, one hundred twenty-five million, one hundred thirty-two thousand, five hundred sixty-five".