5113661563 has 4 divisors (see below), whose sum is σ = 5113823400. Its totient is φ = 5113499728.

The previous prime is 5113661551. The next prime is 5113661603. The reversal of 5113661563 is 3651663115.

5113661563 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3651663115 = 5 ⋅730332623.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5113661563 is a prime.

It is a super-2 number, since 2×5113661563² = 52299069161807205938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5113661533) 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, 16345 + ... + 102442.

It is an arithmetic number, because the mean of its divisors is an integer number (1278455850).

Almost surely, 2^5113661563 is an apocalyptic number.

5113661563 is a deficient number, since it is larger than the sum of its proper divisors (161837).

5113661563 is a wasteful number, since it uses less digits than its factorization.

5113661563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161836.

The product of its digits is 48600, while the sum is 37.

The square root of 5113661563 is about 71509.8703886394. The cubic root of 5113661563 is about 1722.8362214216.

The spelling of 5113661563 in words is "five billion, one hundred thirteen million, six hundred sixty-one thousand, five hundred sixty-three".