10561794432 has 256 divisors, whose sum is σ = 33418137600. Its totient is φ = 2891685888.

The previous prime is 10561794427. The next prime is 10561794433. The reversal of 10561794432 is 23449716501.

It is a super-2 number, since 2×10561794432² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10561794433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12238033 + ... + 12238895.

It is an arithmetic number, because the mean of its divisors is an integer number (130539600).

Almost surely, 2^10561794432 is an apocalyptic number.

10561794432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10561794432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16709068800).

10561794432 is an abundant number, since it is smaller than the sum of its proper divisors (22856343168).

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

10561794432 is a wasteful number, since it uses less digits than its factorization.

10561794432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073 (or 1061 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 10561794432 in words is "ten billion, five hundred sixty-one million, seven hundred ninety-four thousand, four hundred thirty-two".