850661101005 has 16 divisors (see below), whose sum is σ = 1432692381120. Its totient is φ = 429807714048.

The previous prime is 850661100917. The next prime is 850661101007. The reversal of 850661101005 is 500101166058.

It is not a de Polignac number, because 850661101005 - 2¹⁷ = 850660969933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850661101007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1492387612 + ... + 1492388181.

It is an arithmetic number, because the mean of its divisors is an integer number (89543273820).

Almost surely, 2^850661101005 is an apocalyptic number.

It is an amenable number.

850661101005 is a deficient number, since it is larger than the sum of its proper divisors (582031280115).

850661101005 is a wasteful number, since it uses less digits than its factorization.

850661101005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984775820.

The product of its (nonzero) digits is 7200, while the sum is 33.

The spelling of 850661101005 in words is "eight hundred fifty billion, six hundred sixty-one million, one hundred one thousand, five".