7256556242372 has 6 divisors (see below), whose sum is σ = 12698973424158. Its totient is φ = 3628278121184.

The previous prime is 7256556242323. The next prime is 7256556242399. The reversal of 7256556242372 is 2732426556527.

It can be written as a sum of positive squares in only one way, i.e., 7231495452736 + 25060789636 = 2689144^2 + 158306^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 907069530293 + ... + 907069530300.

It is an arithmetic number, because the mean of its divisors is an integer number (2116495570693).

Almost surely, 2^{7256556242372} is an apocalyptic number.

It is an amenable number.

7256556242372 is a deficient number, since it is larger than the sum of its proper divisors (5442417181786).

7256556242372 is a wasteful number, since it uses less digits than its factorization.

7256556242372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814139060597 (or 1814139060595 counting only the distinct ones).

The product of its digits is 42336000, while the sum is 56.

The spelling of 7256556242372 in words is "seven trillion, two hundred fifty-six billion, five hundred fifty-six million, two hundred forty-two thousand, three hundred seventy-two".