10021534541504 has 56 divisors (see below), whose sum is σ = 20658441950496. Its totient is φ = 4819700480000.

The previous prime is 10021534541479. The next prime is 10021534541519. The reversal of 10021534541504 is 40514543512001.

It is a happy number.

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, 26709347 + ... + 27081954.

It is an arithmetic number, because the mean of its divisors is an integer number (368900749116).

Almost surely, 2^{10021534541504} is an apocalyptic number.

It is an amenable number.

10021534541504 is an abundant number, since it is smaller than the sum of its proper divisors (10636907408992).

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

10021534541504 is an equidigital number, since it uses as much as digits as its factorization.

10021534541504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53791425 (or 53791415 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 10021534541504 in words is "ten trillion, twenty-one billion, five hundred thirty-four million, five hundred forty-one thousand, five hundred four".