10561950 has 108 divisors (see below), whose sum is σ = 33078240. Its totient is φ = 2409120.

The previous prime is 10561937. The next prime is 10561951. The reversal of 10561950 is 5916501.

10561950 is a `hidden beast` number, since 10 + 561 + 95 + 0 = 666.

It is a super-2 number, since 2×10561950² = 223109575605000, which contains 22 as substring.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10561951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 21811 + ... + 22289.

It is an arithmetic number, because the mean of its divisors is an integer number (306280).

Almost surely, 2^10561950 is an apocalyptic number.

10561950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10561950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16539120).

10561950 is an abundant number, since it is smaller than the sum of its proper divisors (22516290).

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

10561950 is a wasteful number, since it uses less digits than its factorization.

10561950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The square root of 10561950 is about 3249.9153835139. The cubic root of 10561950 is about 219.4057655247.

It can be divided in two parts, 10561 and 950, that added together give a palindrome (11511).

The spelling of 10561950 in words is "ten million, five hundred sixty-one thousand, nine hundred fifty".