1010004819581 has 8 divisors (see below), whose sum is σ = 1063253249280. Its totient is φ = 956765418048.

The previous prime is 1010004819559. The next prime is 1010004819601. The reversal of 1010004819581 is 1859184000101.

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

It is a cyclic number.

It is not a de Polignac number, because 1010004819581 - 2³⁰ = 1008931077757 is a prime.

It is a super-2 number, since 2×1010004819581² (a number of 25 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 (1010004819881) 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, 2026796 + ... + 2475461.

It is an arithmetic number, because the mean of its divisors is an integer number (132906656160).

Almost surely, 2^{1010004819581} is an apocalyptic number.

It is an amenable number.

1010004819581 is a deficient number, since it is larger than the sum of its proper divisors (53248429699).

1010004819581 is a wasteful number, since it uses less digits than its factorization.

1010004819581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4514083.

The product of its (nonzero) digits is 11520, while the sum is 38.

Adding to 1010004819581 its reverse (1859184000101), we get a palindrome (2869188819682).

The spelling of 1010004819581 in words is "one trillion, ten billion, four million, eight hundred nineteen thousand, five hundred eighty-one".