3561707070985 has 16 divisors (see below), whose sum is σ = 4891045571712. Its totient is φ = 2439104054400.

The previous prime is 3561707070983. The next prime is 3561707071001. The reversal of 3561707070985 is 5890707071653.

It is not a de Polignac number, because 3561707070985 - 2¹ = 3561707070983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3561707070983) 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 15 ways as a sum of consecutive naturals, for example, 66834771 + ... + 66888040.

It is an arithmetic number, because the mean of its divisors is an integer number (305690348232).

Almost surely, 2^{3561707070985} is an apocalyptic number.

3561707070985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3561707070985 is a deficient number, since it is larger than the sum of its proper divisors (1329338500727).

3561707070985 is a wasteful number, since it uses less digits than its factorization.

3561707070985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133723584.

The product of its (nonzero) digits is 11113200, while the sum is 58.

The spelling of 3561707070985 in words is "three trillion, five hundred sixty-one billion, seven hundred seven million, seventy thousand, nine hundred eighty-five".