2001521276610 has 16 divisors (see below), whose sum is σ = 4803651063936. Its totient is φ = 533739007088.

The previous prime is 2001521276609. The next prime is 2001521276683. The reversal of 2001521276610 is 166721251002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33358687914 + ... + 33358687973.

It is an arithmetic number, because the mean of its divisors is an integer number (300228191496).

Almost surely, 2^{2001521276610} is an apocalyptic number.

2001521276610 is an abundant number, since it is smaller than the sum of its proper divisors (2802129787326).

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

2001521276610 is a wasteful number, since it uses less digits than its factorization.

2001521276610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66717375897.

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 2001521276610 in words is "two trillion, one billion, five hundred twenty-one million, two hundred seventy-six thousand, six hundred ten".