905081140065 has 32 divisors (see below), whose sum is σ = 1498131550080. Its totient is φ = 466044171264.

The previous prime is 905081140057. The next prime is 905081140069. The reversal of 905081140065 is 560041180509.

It is not a de Polignac number, because 905081140065 - 2³ = 905081140057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (905081140069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17451102 + ... + 17502888.

It is an arithmetic number, because the mean of its divisors is an integer number (46816610940).

Almost surely, 2^905081140065 is an apocalyptic number.

It is an amenable number.

905081140065 is a deficient number, since it is larger than the sum of its proper divisors (593050410015).

905081140065 is a wasteful number, since it uses less digits than its factorization.

905081140065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92001.

The product of its (nonzero) digits is 43200, while the sum is 39.

The spelling of 905081140065 in words is "nine hundred five billion, eighty-one million, one hundred forty thousand, sixty-five".