10002947941520 has 80 divisors (see below), whose sum is σ = 23397493178880. Its totient is φ = 3977052249600.

The previous prime is 10002947941501. The next prime is 10002947941537. The reversal of 10002947941520 is 2514974920001.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8735885 + ... + 9814355.

It is an arithmetic number, because the mean of its divisors is an integer number (292468664736).

Almost surely, 2^{10002947941520} is an apocalyptic number.

10002947941520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10002947941520 is an abundant number, since it is smaller than the sum of its proper divisors (13394545237360).

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

10002947941520 is a wasteful number, since it uses less digits than its factorization.

10002947941520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079184 (or 1079178 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 10002947941520 in words is "ten trillion, two billion, nine hundred forty-seven million, nine hundred forty-one thousand, five hundred twenty".