985094361556 has 6 divisors (see below), whose sum is σ = 1723915132730. Its totient is φ = 492547180776.

The previous prime is 985094361541. The next prime is 985094361593. The reversal of 985094361556 is 655163490589.

It can be written as a sum of positive squares in only one way, i.e., 518832090000 + 466262271556 = 720300^2 + 682834^2 .

It is a super-2 number, since 2×985094361556² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 985094361494 and 985094361503.

It is a congruent number.

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, 123136795191 + ... + 123136795198.

Almost surely, 2^985094361556 is an apocalyptic number.

It is an amenable number.

985094361556 is a deficient number, since it is larger than the sum of its proper divisors (738820771174).

985094361556 is a wasteful number, since it uses less digits than its factorization.

985094361556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246273590393 (or 246273590391 counting only the distinct ones).

The product of its (nonzero) digits is 34992000, while the sum is 61.

The spelling of 985094361556 in words is "nine hundred eighty-five billion, ninety-four million, three hundred sixty-one thousand, five hundred fifty-six".