10003355581 has 8 divisors (see below), whose sum is σ = 10530793280. Its totient is φ = 9476012448.

The previous prime is 10003355561. The next prime is 10003355587. The reversal of 10003355581 is 18555330001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10003355581 is a prime.

It is a super-2 number, since 2×10003355581² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10003355587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326920 + ... + 356206.

It is an arithmetic number, because the mean of its divisors is an integer number (1316349160).

Almost surely, 2^10003355581 is an apocalyptic number.

It is an amenable number.

10003355581 is a deficient number, since it is larger than the sum of its proper divisors (527437699).

10003355581 is a wasteful number, since it uses less digits than its factorization.

10003355581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47283.

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 10003355581 its reverse (18555330001), we get a palindrome (28558685582).

The spelling of 10003355581 in words is "ten billion, three million, three hundred fifty-five thousand, five hundred eighty-one".