10011565560 has 64 divisors (see below), whose sum is σ = 30061706400. Its totient is φ = 2667350016.

The previous prime is 10011565559. The next prime is 10011565567. The reversal of 10011565560 is 6556511001.

It is a super-2 number, since 2×10011565560² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011565567) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 98532 + ... + 172428.

Almost surely, 2^10011565560 is an apocalyptic number.

10011565560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10011565560 is an abundant number, since it is smaller than the sum of its proper divisors (20050140840).

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

10011565560 is a wasteful number, since it uses less digits than its factorization.

10011565560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75040 (or 75036 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 10011565560 in words is "ten billion, eleven million, five hundred sixty-five thousand, five hundred sixty".