21060132724904 has 128 divisors (see below), whose sum is σ = 48677467104000. Its totient is φ = 8318262104064.

The previous prime is 21060132724879. The next prime is 21060132724933. The reversal of 21060132724904 is 40942723106012.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1918214087 + ... + 1918225065.

It is an arithmetic number, because the mean of its divisors is an integer number (380292711750).

Almost surely, 2^{21060132724904} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21060132724904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24338733552000).

21060132724904 is an abundant number, since it is smaller than the sum of its proper divisors (27617334379096).

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

21060132724904 is a wasteful number, since it uses less digits than its factorization.

21060132724904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14947 (or 14943 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 21060132724904 in words is "twenty-one trillion, sixty billion, one hundred thirty-two million, seven hundred twenty-four thousand, nine hundred four".