9159799098256 has 15 divisors (see below), whose sum is σ = 17747134208401. Its totient is φ = 4579893496096.

The previous prime is 9159799098253. The next prime is 9159799098301. The reversal of 9159799098256 is 6528909979519.

The square root of 9159799098256 is 3026516.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1529387315856 + 7630411782400 = 1236684^2 + 2762320^2 .

It is a super-2 number, since 2×9159799098256² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9159799098253) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11727750 + ... + 12484378.

Almost surely, 2^{9159799098256} is an apocalyptic number.

9159799098256 is the 3026516-th square number.

It is an amenable number.

9159799098256 is a deficient number, since it is larger than the sum of its proper divisors (8587335110145).

9159799098256 is an frugal number, since it uses more digits than its factorization.

9159799098256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513266 (or 756631 counting only the distinct ones).

The product of its (nonzero) digits is 992023200, while the sum is 79.

The spelling of 9159799098256 in words is "nine trillion, one hundred fifty-nine billion, seven hundred ninety-nine million, ninety-eight thousand, two hundred fifty-six".