10555510512 has 80 divisors (see below), whose sum is σ = 27768000512. Its totient is φ = 3454617600.

The previous prime is 10555510489. The next prime is 10555510513. The reversal of 10555510512 is 21501555501.

It is a super-2 number, since 2×10555510512² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10555510512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10555510513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582387 + ... + 600237.

Almost surely, 2^10555510512 is an apocalyptic number.

10555510512 is a gapful number since it is divisible by the number (12) 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 10555510512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13884000256).

10555510512 is an abundant number, since it is smaller than the sum of its proper divisors (17212490000).

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

10555510512 is a wasteful number, since it uses less digits than its factorization.

10555510512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18086 (or 18080 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 30.

The spelling of 10555510512 in words is "ten billion, five hundred fifty-five million, five hundred ten thousand, five hundred twelve".