60505111060561 has 4 divisors (see below), whose sum is σ = 64064235240612. Its totient is φ = 56945986880512.

The previous prime is 60505111060553. The next prime is 60505111060573. The reversal of 60505111060561 is 16506011150506.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43478396254225 + 17026714806336 = 6593815^2 + 4126344^2 .

It is a cyclic number.

It is not a de Polignac number, because 60505111060561 - 2³ = 60505111060553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 60505111060561.

It is not an unprimeable number, because it can be changed into a prime (60505111070561) 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, 1779562090000 + ... + 1779562090033.

It is an arithmetic number, because the mean of its divisors is an integer number (16016058810153).

Almost surely, 2^{60505111060561} is an apocalyptic number.

It is an amenable number.

60505111060561 is a deficient number, since it is larger than the sum of its proper divisors (3559124180051).

60505111060561 is a wasteful number, since it uses less digits than its factorization.

60505111060561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559124180050.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 60505111060561 in words is "sixty trillion, five hundred five billion, one hundred eleven million, sixty thousand, five hundred sixty-one".