990010545400215 has 32 divisors (see below), whose sum is σ = 1767572475963840. Its totient is φ = 525739505637888.

The previous prime is 990010545400207. The next prime is 990010545400241. The reversal of 990010545400215 is 512004545010099.

990010545400215 is a `hidden beast` number, since 9 + 90 + 0 + 1 + 0 + 5 + 4 + 540 + 0 + 2 + 15 = 666.

990010545400215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 990010545400215 - 2³ = 990010545400207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15736902982 + ... + 15736965891.

It is an arithmetic number, because the mean of its divisors is an integer number (55236639873870).

Almost surely, 2^{990010545400215} is an apocalyptic number.

990010545400215 is a deficient number, since it is larger than the sum of its proper divisors (777561930563625).

990010545400215 is a wasteful number, since it uses less digits than its factorization.

990010545400215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31473869120 (or 31473869114 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The spelling of 990010545400215 in words is "nine hundred ninety trillion, ten billion, five hundred forty-five million, four hundred thousand, two hundred fifteen".