10565701520 has 80 divisors (see below), whose sum is σ = 27368748288. Its totient is φ = 3760312320.

The previous prime is 10565701513. The next prime is 10565701541. The reversal of 10565701520 is 2510756501.

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

It is a super-2 number, since 2×10565701520² (a number of 21 digits) contains 22 as substring.

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, 86369 + ... + 169088.

Almost surely, 2^10565701520 is an apocalyptic number.

10565701520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10565701520 is an abundant number, since it is smaller than the sum of its proper divisors (16803046768).

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

10565701520 is a wasteful number, since it uses less digits than its factorization.

10565701520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255528 (or 255522 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 32.

The spelling of 10565701520 in words is "ten billion, five hundred sixty-five million, seven hundred one thousand, five hundred twenty".