60561000105489 has 20 divisors (see below), whose sum is σ = 97426718120116. Its totient is φ = 37268307756576.

The previous prime is 60561000105443. The next prime is 60561000105539. The reversal of 60561000105489 is 98450100016506.

60561000105489 is a `hidden beast` number, since 6 + 0 + 5 + 61 + 0 + 0 + 0 + 105 + 489 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 30582747047889 + 29978253057600 = 5530167^2 + 5475240^2 .

It is not a de Polignac number, because 60561000105489 - 2²³ = 60560991716881 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (60561000101489) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28756409254 + ... + 28756411359.

Almost surely, 2^{60561000105489} is an apocalyptic number.

It is an amenable number.

60561000105489 is a deficient number, since it is larger than the sum of its proper divisors (36865718014627).

60561000105489 is a wasteful number, since it uses less digits than its factorization.

60561000105489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57512820638 (or 57512820629 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 60561000105489 in words is "sixty trillion, five hundred sixty-one billion, one hundred five thousand, four hundred eighty-nine".