10559718540 has 432 divisors, whose sum is σ = 39903383520. Its totient is φ = 2246952960.

The previous prime is 10559718529. The next prime is 10559718557. The reversal of 10559718540 is 4581795501.

10559718540 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 97 + 18 + 540 = 666.

It is a super-2 number, since 2×10559718540² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 10221864 + ... + 10222896.

Almost surely, 2^10559718540 is an apocalyptic number.

10559718540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10559718540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19951691760).

10559718540 is an abundant number, since it is smaller than the sum of its proper divisors (29343664980).

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

10559718540 is a wasteful number, since it uses less digits than its factorization.

10559718540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142 (or 1130 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 45.

The spelling of 10559718540 in words is "ten billion, five hundred fifty-nine million, seven hundred eighteen thousand, five hundred forty".