60561000000 has 392 divisors, whose sum is σ = 222644025120. Its totient is φ = 16142400000.

The previous prime is 60560999987. The next prime is 60561000029. The reversal of 60561000000 is 16506.

60561000000 is a `hidden beast` number, since 605 + 61 + 0 + 0 + 0 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 26998879 + ... + 27001121.

Almost surely, 2^60561000000 is an apocalyptic number.

60561000000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60561000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111322012560).

60561000000 is an abundant number, since it is smaller than the sum of its proper divisors (162083025120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

60561000000 is an frugal number, since it uses more digits than its factorization.

60561000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294 (or 2253 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 60561000000 its reverse (16506), we get a palindrome (60561016506).

The spelling of 60561000000 in words is "sixty billion, five hundred sixty-one million", and thus it is an aban number.