7557005125 has 8 divisors (see below), whose sum is σ = 9431142552. Its totient is φ = 6045604000.

The previous prime is 7557005123. The next prime is 7557005149. The reversal of 7557005125 is 5215007557.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 160833124 + 7396172001 = 12682^2 + 86001^2 .

It is not a de Polignac number, because 7557005125 - 2¹ = 7557005123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7557005123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30227896 + ... + 30228145.

It is an arithmetic number, because the mean of its divisors is an integer number (1178892819).

Almost surely, 2^7557005125 is an apocalyptic number.

It is an amenable number.

7557005125 is a deficient number, since it is larger than the sum of its proper divisors (1874137427).

7557005125 is an equidigital number, since it uses as much as digits as its factorization.

7557005125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60456056 (or 60456046 counting only the distinct ones).

The product of its (nonzero) digits is 61250, while the sum is 37.

The square root of 7557005125 is about 86931.0366037355. The cubic root of 7557005125 is about 1962.3805869435.

The spelling of 7557005125 in words is "seven billion, five hundred fifty-seven million, five thousand, one hundred twenty-five".