1005650065506 has 16 divisors (see below), whose sum is σ = 2011834102464. Its totient is φ = 335127693264.

The previous prime is 1005650065487. The next prime is 1005650065549. The reversal of 1005650065506 is 6055600565001.

It is a super-2 number, since 2×1005650065506² (a number of 25 digits) contains 22 as substring.

It is a Curzon 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, 22224325 + ... + 22269528.

It is an arithmetic number, because the mean of its divisors is an integer number (125739631404).

Almost surely, 2^{1005650065506} is an apocalyptic number.

1005650065506 is an abundant number, since it is smaller than the sum of its proper divisors (1006184036958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1005650065506 is a wasteful number, since it uses less digits than its factorization.

1005650065506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44497625.

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 1005650065506 in words is "one trillion, five billion, six hundred fifty million, sixty-five thousand, five hundred six".