5000311561 has 8 divisors (see below), whose sum is σ = 5721120704. Its totient is φ = 4281122160.

The previous prime is 5000311559. The next prime is 5000311571. The reversal of 5000311561 is 1651130005.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5000311561 - 2¹ = 5000311559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5000311531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398310 + ... + 410671.

It is an arithmetic number, because the mean of its divisors is an integer number (715140088).

Almost surely, 2^5000311561 is an apocalyptic number.

It is an amenable number.

5000311561 is a deficient number, since it is larger than the sum of its proper divisors (720809143).

5000311561 is an equidigital number, since it uses as much as digits as its factorization.

5000311561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809871.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 5000311561 is about 70712.8811532948. The cubic root of 5000311561 is about 1710.0114633934.

Adding to 5000311561 its reverse (1651130005), we get a palindrome (6651441566).

The spelling of 5000311561 in words is "five billion, three hundred eleven thousand, five hundred sixty-one".