10651064521520 has 20 divisors (see below), whose sum is σ = 24763725012720. Its totient is φ = 4260425808576.

The previous prime is 10651064521501. The next prime is 10651064521523. The reversal of 10651064521520 is 2512546015601.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×10651064521520² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10651064521523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66569153180 + ... + 66569153339.

It is an arithmetic number, because the mean of its divisors is an integer number (1238186250636).

Almost surely, 2^{10651064521520} is an apocalyptic number.

10651064521520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10651064521520 is an abundant number, since it is smaller than the sum of its proper divisors (14112660491200).

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

10651064521520 is a wasteful number, since it uses less digits than its factorization.

10651064521520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133138306532 (or 133138306526 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 10651064521520 in words is "ten trillion, six hundred fifty-one billion, sixty-four million, five hundred twenty-one thousand, five hundred twenty".