10559940520 has 32 divisors (see below), whose sum is σ = 24579174600. Its totient is φ = 4078321408.

The previous prime is 10559940511. The next prime is 10559940529. The reversal of 10559940520 is 2504995501.

It is an interprime number because it is at equal distance from previous prime (10559940511) and next prime (10559940529).

It can be written as a sum of positive squares in 4 ways, for example, as 7225340004 + 3334600516 = 85002^2 + 57746^2 .

It is a super-2 number, since 2×10559940520² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (10559940529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4550539 + ... + 4552858.

Almost surely, 2^10559940520 is an apocalyptic number.

10559940520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10559940520 is an abundant number, since it is smaller than the sum of its proper divisors (14019234080).

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

10559940520 is a wasteful number, since it uses less digits than its factorization.

10559940520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9103437 (or 9103433 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 40.

The spelling of 10559940520 in words is "ten billion, five hundred fifty-nine million, nine hundred forty thousand, five hundred twenty".