104521145315 has 4 divisors (see below), whose sum is σ = 125425374384. Its totient is φ = 83616916248.

The previous prime is 104521145291. The next prime is 104521145321. The reversal of 104521145315 is 513541125401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104521145315 - 2⁸ = 104521145059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10452114527 + ... + 10452114536.

It is an arithmetic number, because the mean of its divisors is an integer number (31356343596).

Almost surely, 2^104521145315 is an apocalyptic number.

104521145315 is a deficient number, since it is larger than the sum of its proper divisors (20904229069).

104521145315 is an equidigital number, since it uses as much as digits as its factorization.

104521145315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20904229068.

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 104521145315 in words is "one hundred four billion, five hundred twenty-one million, one hundred forty-five thousand, three hundred fifteen".