10863212544 has 144 divisors (see below), whose sum is σ = 32458444200. Its totient is φ = 3496034304.

The previous prime is 10863212539. The next prime is 10863212561. The reversal of 10863212544 is 44521236801.

It is a happy number.

10863212544 is a `hidden beast` number, since 1 + 0 + 8 + 632 + 12 + 5 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×10863212544² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 10863212499 and 10863212508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 524367 + ... + 544689.

Almost surely, 2^10863212544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10863212544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16229222100).

10863212544 is an abundant number, since it is smaller than the sum of its proper divisors (21595231656).

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

10863212544 is a wasteful number, since it uses less digits than its factorization.

10863212544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20380 (or 20357 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 10863212544 in words is "ten billion, eight hundred sixty-three million, two hundred twelve thousand, five hundred forty-four".