10561488388 has 18 divisors (see below), whose sum is σ = 20315591198. Its totient is φ = 4800676320.

The previous prime is 10561488373. The next prime is 10561488403. The reversal of 10561488388 is 88388416501.

It is an interprime number because it is at equal distance from previous prime (10561488373) and next prime (10561488403).

It can be written as a sum of positive squares in only one way, i.e., 10170319104 + 391169284 = 100848^2 + 19778^2 .

It is a super-2 number, since 2×10561488388² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10910145 + ... + 10911112.

Almost surely, 2^10561488388 is an apocalyptic number.

It is an amenable number.

10561488388 is a deficient number, since it is larger than the sum of its proper divisors (9754102810).

10561488388 is a wasteful number, since it uses less digits than its factorization.

10561488388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21821283 (or 21821270 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 52.

The spelling of 10561488388 in words is "ten billion, five hundred sixty-one million, four hundred eighty-eight thousand, three hundred eighty-eight".