5001561506 has 8 divisors (see below), whose sum is σ = 7705108380. Its totient is φ = 2433192048.

The previous prime is 5001561503. The next prime is 5001561527. The reversal of 5001561506 is 6051651005.

It can be written as a sum of positive squares in 2 ways, for example, as 4961934481 + 39627025 = 70441^2 + 6295^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5001561503) 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, 33794261 + ... + 33794408.

Almost surely, 2^5001561506 is an apocalyptic number.

5001561506 is a deficient number, since it is larger than the sum of its proper divisors (2703546874).

5001561506 is a wasteful number, since it uses less digits than its factorization.

5001561506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67588708.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 5001561506 is about 70721.7187715344. The cubic root of 5001561506 is about 1710.1539373291.

The spelling of 5001561506 in words is "five billion, one million, five hundred sixty-one thousand, five hundred six".