8103126563 has 4 divisors (see below), whose sum is σ = 9260716080. Its totient is φ = 6945537048.

The previous prime is 8103126557. The next prime is 8103126589. The reversal of 8103126563 is 3656213018.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8103126563 - 2¹⁰ = 8103125539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8103126463) 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, 578794748 + ... + 578794761.

It is an arithmetic number, because the mean of its divisors is an integer number (2315179020).

Almost surely, 2^8103126563 is an apocalyptic number.

8103126563 is a deficient number, since it is larger than the sum of its proper divisors (1157589517).

8103126563 is a wasteful number, since it uses less digits than its factorization.

8103126563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157589516.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 8103126563 is about 90017.3681186025. The cubic root of 8103126563 is about 2008.5572150676.

The spelling of 8103126563 in words is "eight billion, one hundred three million, one hundred twenty-six thousand, five hundred sixty-three".