21063064580760 has 32 divisors (see below), whose sum is σ = 63189193742640. Its totient is φ = 5616817221504.

The previous prime is 21063064580699. The next prime is 21063064580791. The reversal of 21063064580760 is 6708546036012.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 87762768967 + ... + 87762769206.

Almost surely, 2^{21063064580760} is an apocalyptic number.

21063064580760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21063064580760 is an abundant number, since it is smaller than the sum of its proper divisors (42126129161880).

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

21063064580760 is a wasteful number, since it uses less digits than its factorization.

21063064580760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175525538187 (or 175525538183 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 21063064580760 in words is "twenty-one trillion, sixty-three billion, sixty-four million, five hundred eighty thousand, seven hundred sixty".