10799158561 has 3 divisors (see below), whose sum is σ = 10799262481. Its totient is φ = 10799054642.

The previous prime is 10799158553. The next prime is 10799158603. The reversal of 10799158561 is 16585199701.

The square root of 10799158561 is 103919.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16585199701 = 7 ⋅2369314243.

It is not a de Polignac number, because 10799158561 - 2³ = 10799158553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10799158499 and 10799158508.

It is not an unprimeable number, because it can be changed into a prime (10799158261) 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, 51960 + ... + 155878.

Almost surely, 2^10799158561 is an apocalyptic number.

10799158561 is the 103919-th square number.

10799158561 is the 51960-th centered octagonal number.

It is an amenable number.

10799158561 is a deficient number, since it is larger than the sum of its proper divisors (103920).

10799158561 is an frugal number, since it uses more digits than its factorization.

10799158561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207838 (or 103919 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 52.

The spelling of 10799158561 in words is "ten billion, seven hundred ninety-nine million, one hundred fifty-eight thousand, five hundred sixty-one".