7125517556 has 24 divisors (see below), whose sum is σ = 12686100000. Its totient is φ = 3500966304.

The previous prime is 7125517523. The next prime is 7125517577. The reversal of 7125517556 is 6557155217.

It is a super-5 number, since 5×7125517556⁵ (a number of 50 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 821450 + ... + 830078.

It is an arithmetic number, because the mean of its divisors is an integer number (528587500).

Almost surely, 2^7125517556 is an apocalyptic number.

It is an amenable number.

7125517556 is a deficient number, since it is larger than the sum of its proper divisors (5560582444).

7125517556 is a wasteful number, since it uses less digits than its factorization.

7125517556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12191 (or 12189 counting only the distinct ones).

The product of its digits is 367500, while the sum is 44.

The square root of 7125517556 is about 84412.7807621571. The cubic root of 7125517556 is about 1924.2971566706.

The spelling of 7125517556 in words is "seven billion, one hundred twenty-five million, five hundred seventeen thousand, five hundred fifty-six".