4561516505 has 32 divisors (see below), whose sum is σ = 6744192000. Its totient is φ = 2884211712.

The previous prime is 4561516493. The next prime is 4561516507. The reversal of 4561516505 is 5056151654.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4561516505 - 2⁴ = 4561516489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4561516507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 467921 + ... + 477569.

It is an arithmetic number, because the mean of its divisors is an integer number (210756000).

Almost surely, 2^4561516505 is an apocalyptic number.

It is an amenable number.

4561516505 is a deficient number, since it is larger than the sum of its proper divisors (2182675495).

4561516505 is a wasteful number, since it uses less digits than its factorization.

4561516505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10713.

The product of its (nonzero) digits is 90000, while the sum is 38.

The square root of 4561516505 is about 67538.9998815499. Note that the first 3 decimals coincide. The cubic root of 4561516505 is about 1658.4526764332.

The spelling of 4561516505 in words is "four billion, five hundred sixty-one million, five hundred sixteen thousand, five hundred five".