7157504125 has 8 divisors (see below), whose sum is σ = 8932565304. Its totient is φ = 5726003200.

The previous prime is 7157504119. The next prime is 7157504129. The reversal of 7157504125 is 5214057517.

It can be written as a sum of positive squares in 4 ways, for example, as 10830681 + 7146673444 = 3291^2 + 84538^2 .

It is a de Polignac number, because none of the positive numbers 2^k-7157504125 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 (7157504129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28629892 + ... + 28630141.

It is an arithmetic number, because the mean of its divisors is an integer number (1116570663).

Almost surely, 2^7157504125 is an apocalyptic number.

It is an amenable number.

7157504125 is a deficient number, since it is larger than the sum of its proper divisors (1775061179).

7157504125 is an equidigital number, since it uses as much as digits as its factorization.

7157504125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57260048 (or 57260038 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 37.

The square root of 7157504125 is about 84602.0338112507. The cubic root of 7157504125 is about 1927.1722596672.

The spelling of 7157504125 in words is "seven billion, one hundred fifty-seven million, five hundred four thousand, one hundred twenty-five".