60561516505 has 32 divisors (see below), whose sum is σ = 83756664576. Its totient is φ = 41178153984.

The previous prime is 60561516493. The next prime is 60561516511. The reversal of 60561516505 is 50561516506.

It is a cyclic number.

It is not a de Polignac number, because 60561516505 - 2⁵ = 60561516473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4534197 + ... + 4547533.

It is an arithmetic number, because the mean of its divisors is an integer number (2617395768).

Almost surely, 2^60561516505 is an apocalyptic number.

It is an amenable number.

60561516505 is a deficient number, since it is larger than the sum of its proper divisors (23195148071).

60561516505 is a wasteful number, since it uses less digits than its factorization.

60561516505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14433.

The product of its (nonzero) digits is 135000, while the sum is 40.

Subtracting from 60561516505 its reverse (50561516506), we obtain a palindrome (9999999999).

The spelling of 60561516505 in words is "sixty billion, five hundred sixty-one million, five hundred sixteen thousand, five hundred five".