104531999999 has 4 divisors (see below), whose sum is σ = 119465142864. Its totient is φ = 89598857136.

The previous prime is 104531999987. The next prime is 104532000007. The reversal of 104531999999 is 999999135401.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104531999999 is a prime.

It is a Duffinian number.

104531999999 is a modest number, since divided by 999999 gives 104531 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104531999959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7466571422 + ... + 7466571435.

It is an arithmetic number, because the mean of its divisors is an integer number (29866285716).

Almost surely, 2^104531999999 is an apocalyptic number.

104531999999 is a deficient number, since it is larger than the sum of its proper divisors (14933142865).

104531999999 is an equidigital number, since it uses as much as digits as its factorization.

104531999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14933142864.

The product of its (nonzero) digits is 31886460, while the sum is 68.

The spelling of 104531999999 in words is "one hundred four billion, five hundred thirty-one million, nine hundred ninety-nine thousand, nine hundred ninety-nine".