60505561111 has 4 divisors (see below), whose sum is σ = 62591959800. Its totient is φ = 58419162424.

The previous prime is 60505561093. The next prime is 60505561121. The reversal of 60505561111 is 11116550506.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11116550506 = 2 ⋅5558275253.

It is a cyclic number.

It is not a de Polignac number, because 60505561111 - 2¹⁷ = 60505430039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60505561121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043199301 + ... + 1043199358.

It is an arithmetic number, because the mean of its divisors is an integer number (15647989950).

Almost surely, 2^60505561111 is an apocalyptic number.

60505561111 is a deficient number, since it is larger than the sum of its proper divisors (2086398689).

60505561111 is a wasteful number, since it uses less digits than its factorization.

60505561111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086398688.

The product of its (nonzero) digits is 4500, while the sum is 31.

The spelling of 60505561111 in words is "sixty billion, five hundred five million, five hundred sixty-one thousand, one hundred eleven".