1659113001815 has 8 divisors (see below), whose sum is σ = 2077498019808. Its totient is φ = 1269582123040.

The previous prime is 1659113001683. The next prime is 1659113001839. The reversal of 1659113001815 is 5181003119561.

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

It is not a de Polignac number, because 1659113001815 - 2¹⁸ = 1659112739671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7213534676 + ... + 7213534905.

It is an arithmetic number, because the mean of its divisors is an integer number (259687252476).

Almost surely, 2^{1659113001815} is an apocalyptic number.

1659113001815 is a deficient number, since it is larger than the sum of its proper divisors (418385017993).

1659113001815 is a wasteful number, since it uses less digits than its factorization.

1659113001815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14427069609.

The product of its (nonzero) digits is 32400, while the sum is 41.

The spelling of 1659113001815 in words is "one trillion, six hundred fifty-nine billion, one hundred thirteen million, one thousand, eight hundred fifteen".