10556849456 has 30 divisors (see below), whose sum is σ = 20534115420. Its totient is φ = 5257803424.

The previous prime is 10556849441. The next prime is 10556849477. The reversal of 10556849456 is 65494865501.

It is a super-2 number, since 2×10556849456² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10556849398 and 10556849407.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1101935 + ... + 1111473.

It is an arithmetic number, because the mean of its divisors is an integer number (684470514).

Almost surely, 2^10556849456 is an apocalyptic number.

10556849456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10556849456 is a deficient number, since it is larger than the sum of its proper divisors (9977265964).

10556849456 is an frugal number, since it uses more digits than its factorization.

10556849456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10073 (or 9804 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 53.

The spelling of 10556849456 in words is "ten billion, five hundred fifty-six million, eight hundred forty-nine thousand, four hundred fifty-six".