1550005566215 has 8 divisors (see below), whose sum is σ = 1890498592608. Its totient is φ = 1219676510880.

The previous prime is 1550005566209. The next prime is 1550005566227. The reversal of 1550005566215 is 5126655000551.

It is a happy number.

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

It is not a de Polignac number, because 1550005566215 - 2⁴ = 1550005566199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2540992427 + ... + 2540993036.

It is an arithmetic number, because the mean of its divisors is an integer number (236312324076).

Almost surely, 2^{1550005566215} is an apocalyptic number.

1550005566215 is a deficient number, since it is larger than the sum of its proper divisors (340493026393).

1550005566215 is an equidigital number, since it uses as much as digits as its factorization.

1550005566215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5081985529.

The product of its (nonzero) digits is 225000, while the sum is 41.

The spelling of 1550005566215 in words is "one trillion, five hundred fifty billion, five million, five hundred sixty-six thousand, two hundred fifteen".