7157268125 has 20 divisors (see below), whose sum is σ = 10221403104. Its totient is φ = 4907838000.

The previous prime is 7157268113. The next prime is 7157268143. The reversal of 7157268125 is 5218627517.

It is a de Polignac number, because none of the positive numbers 2^k-7157268125 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 813599 + ... + 822348.

Almost surely, 2^7157268125 is an apocalyptic number.

It is an amenable number.

7157268125 is a deficient number, since it is larger than the sum of its proper divisors (3064134979).

7157268125 is an equidigital number, since it uses as much as digits as its factorization.

7157268125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635974 (or 1635959 counting only the distinct ones).

The product of its digits is 235200, while the sum is 44.

The square root of 7157268125 is about 84600.6390342295. The cubic root of 7157268125 is about 1927.1510782775.

The spelling of 7157268125 in words is "seven billion, one hundred fifty-seven million, two hundred sixty-eight thousand, one hundred twenty-five".