2050145505 has 64 divisors (see below), whose sum is σ = 3889440000. Its totient is φ = 1021579776.

The previous prime is 2050145501. The next prime is 2050145507. The reversal of 2050145505 is 5055410502.

2050145505 is a `hidden beast` number, since 205 + 0 + 1 + 455 + 0 + 5 = 666.

It is not a de Polignac number, because 2050145505 - 2² = 2050145501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2050145501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 181771 + ... + 192719.

It is an arithmetic number, because the mean of its divisors is an integer number (60772500).

Almost surely, 2^2050145505 is an apocalyptic number.

It is an amenable number.

2050145505 is a deficient number, since it is larger than the sum of its proper divisors (1839294495).

2050145505 is a wasteful number, since it uses less digits than its factorization.

2050145505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11055 (or 11049 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 2050145505 is about 45278.5324960958. The cubic root of 2050145505 is about 1270.3641473398.

The spelling of 2050145505 in words is "two billion, fifty million, one hundred forty-five thousand, five hundred five".