10643104304256 has 64 divisors (see below), whose sum is σ = 28428683119200. Its totient is φ = 3527881850880.

The previous prime is 10643104304249. The next prime is 10643104304257. The reversal of 10643104304256 is 65240340134601.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×10643104304256² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10643104304257) 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, 77351425 + ... + 77488896.

Almost surely, 2^{10643104304256} is an apocalyptic number.

10643104304256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10643104304256 is an abundant number, since it is smaller than the sum of its proper divisors (17785578814944).

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

10643104304256 is a wasteful number, since it uses less digits than its factorization.

10643104304256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154840517 (or 154840505 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

Adding to 10643104304256 its reverse (65240340134601), we get a palindrome (75883444438857).

The spelling of 10643104304256 in words is "ten trillion, six hundred forty-three billion, one hundred four million, three hundred four thousand, two hundred fifty-six".