10632781281 has 8 divisors (see below), whose sum is σ = 14264018080. Its totient is φ = 7045032672.

The previous prime is 10632781267. The next prime is 10632781301. The reversal of 10632781281 is 18218723601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10632781281 - 2⁷ = 10632781153 is a prime.

It is a super-2 number, since 2×10632781281² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10632781261) 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 7 ways as a sum of consecutive naturals, for example, 10871476 + ... + 10872453.

It is an arithmetic number, because the mean of its divisors is an integer number (1783002260).

Almost surely, 2^10632781281 is an apocalyptic number.

It is an amenable number.

10632781281 is a deficient number, since it is larger than the sum of its proper divisors (3631236799).

10632781281 is a wasteful number, since it uses less digits than its factorization.

10632781281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21744095.

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 10632781281 in words is "ten billion, six hundred thirty-two million, seven hundred eighty-one thousand, two hundred eighty-one".