60521310720 has 240 divisors, whose sum is σ = 225726693192. Its totient is φ = 14897479680.

The previous prime is 60521310701. The next prime is 60521310743. The reversal of 60521310720 is 2701312506.

It is a happy number.

60521310720 is a `hidden beast` number, since 60 + 521 + 3 + 10 + 72 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 43337246976 + 17184063744 = 208176^2 + 131088^2 .

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198490 + ... + 400550.

Almost surely, 2^60521310720 is an apocalyptic number.

60521310720 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 60521310720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112863346596).

60521310720 is an abundant number, since it is smaller than the sum of its proper divisors (165205382472).

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

60521310720 is a wasteful number, since it uses less digits than its factorization.

60521310720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202103 (or 202084 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The spelling of 60521310720 in words is "sixty billion, five hundred twenty-one million, three hundred ten thousand, seven hundred twenty".