10556521744 has 40 divisors (see below), whose sum is σ = 20604416600. Its totient is φ = 5239323648.

The previous prime is 10556521741. The next prime is 10556521753. The reversal of 10556521744 is 44712565501.

It can be written as a sum of positive squares in 4 ways, for example, as 2779398400 + 7777123344 = 52720^2 + 88188^2 .

It is a super-2 number, since 2×10556521744² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10556521697 and 10556521706.

It is not an unprimeable number, because it can be changed into a prime (10556521741) 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, 3889732 + ... + 3892444.

It is an arithmetic number, because the mean of its divisors is an integer number (515110415).

Almost surely, 2^10556521744 is an apocalyptic number.

It is an amenable number.

10556521744 is a deficient number, since it is larger than the sum of its proper divisors (10047894856).

10556521744 is a wasteful number, since it uses less digits than its factorization.

10556521744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4427 (or 4421 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 10556521744 in words is "ten billion, five hundred fifty-six million, five hundred twenty-one thousand, seven hundred forty-four".