104081274521 has 32 divisors (see below), whose sum is σ = 126360041472. Its totient is φ = 83690000640.

The previous prime is 104081274509. The next prime is 104081274527. The reversal of 104081274521 is 125472180401.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104081274521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104081274527) 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, 72936410 + ... + 72937836.

It is an arithmetic number, because the mean of its divisors is an integer number (3948751296).

Almost surely, 2^104081274521 is an apocalyptic number.

It is an amenable number.

104081274521 is a deficient number, since it is larger than the sum of its proper divisors (22278766951).

104081274521 is a wasteful number, since it uses less digits than its factorization.

104081274521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029.

The product of its (nonzero) digits is 17920, while the sum is 35.

The spelling of 104081274521 in words is "one hundred four billion, eighty-one million, two hundred seventy-four thousand, five hundred twenty-one".