60521315904 has 252 divisors, whose sum is σ = 212418320400. Its totient is φ = 16381564416.

The previous prime is 60521315887. The next prime is 60521315929. The reversal of 60521315904 is 40951312506.

60521315904 is a `hidden beast` number, since 6 + 0 + 52 + 13 + 1 + 590 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (252).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 479827 + ... + 592685.

Almost surely, 2^60521315904 is an apocalyptic number.

60521315904 is a gapful number since it is divisible by the number (64) 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 60521315904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106209160200).

60521315904 is an abundant number, since it is smaller than the sum of its proper divisors (151897004496).

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

60521315904 is a wasteful number, since it uses less digits than its factorization.

60521315904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112910 (or 112890 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 60521315904 in words is "sixty billion, five hundred twenty-one million, three hundred fifteen thousand, nine hundred four".