10561243404 has 48 divisors (see below), whose sum is σ = 27465782400. Its totient is φ = 3138944256.

The previous prime is 10561243367. The next prime is 10561243409. The reversal of 10561243404 is 40434216501.

It is a super-2 number, since 2×10561243404² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10561243409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1358514 + ... + 1366265.

It is an arithmetic number, because the mean of its divisors is an integer number (572203800).

Almost surely, 2^10561243404 is an apocalyptic number.

It is an amenable number.

10561243404 is an abundant number, since it is smaller than the sum of its proper divisors (16904538996).

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

10561243404 is a wasteful number, since it uses less digits than its factorization.

10561243404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724822 (or 2724820 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 10561243404 its reverse (40434216501), we get a palindrome (50995459905).

The spelling of 10561243404 in words is "ten billion, five hundred sixty-one million, two hundred forty-three thousand, four hundred four".