7125506636 has 12 divisors (see below), whose sum is σ = 12474688128. Its totient is φ = 3561310032.

The previous prime is 7125506627. The next prime is 7125506639. The reversal of 7125506636 is 6366055217.

It is a junction number, because it is equal to n+sod(n) for n = 7125506593 and 7125506602.

It is not an unprimeable number, because it can be changed into a prime (7125506639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349676 + ... + 369491.

It is an arithmetic number, because the mean of its divisors is an integer number (1039557344).

Almost surely, 2^7125506636 is an apocalyptic number.

It is an amenable number.

7125506636 is a deficient number, since it is larger than the sum of its proper divisors (5349181492).

7125506636 is a wasteful number, since it uses less digits than its factorization.

7125506636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721648 (or 721646 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 7125506636 is about 84412.7160799841. The cubic root of 7125506636 is about 1924.2961736619.

The spelling of 7125506636 in words is "seven billion, one hundred twenty-five million, five hundred six thousand, six hundred thirty-six".