104061013581 has 32 divisors (see below), whose sum is σ = 167960210688. Its totient is φ = 55944437760.

The previous prime is 104061013571. The next prime is 104061013597. The reversal of 104061013581 is 185310160401.

It is not a de Polignac number, because 104061013581 - 2¹¹ = 104061011533 is a prime.

It is a super-2 number, since 2×104061013581² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104061013561) 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, 914821 + ... + 1022261.

It is an arithmetic number, because the mean of its divisors is an integer number (5248756584).

Almost surely, 2^104061013581 is an apocalyptic number.

It is an amenable number.

104061013581 is a deficient number, since it is larger than the sum of its proper divisors (63899197107).

104061013581 is a wasteful number, since it uses less digits than its factorization.

104061013581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110181.

The product of its (nonzero) digits is 2880, while the sum is 30.

Adding to 104061013581 its reverse (185310160401), we get a palindrome (289371173982).

The spelling of 104061013581 in words is "one hundred four billion, sixty-one million, thirteen thousand, five hundred eighty-one".