10081065950209 has 4 divisors (see below), whose sum is σ = 10081149619540. Its totient is φ = 10080982280880.

The previous prime is 10081065950149. The next prime is 10081065950239. The reversal of 10081065950209 is 90205956018001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5782327194609 + 4298738755600 = 2404647^2 + 2073340^2 .

It is a cyclic number.

It is not a de Polignac number, because 10081065950209 - 2¹⁵ = 10081065917441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10081065950239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41653674 + ... + 41894995.

It is an arithmetic number, because the mean of its divisors is an integer number (2520287404885).

Almost surely, 2^{10081065950209} is an apocalyptic number.

It is an amenable number.

10081065950209 is a deficient number, since it is larger than the sum of its proper divisors (83669331).

10081065950209 is an equidigital number, since it uses as much as digits as its factorization.

10081065950209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83669330.

The product of its (nonzero) digits is 194400, while the sum is 46.

It can be divided in two parts, 1008106 and 5950209, that added together give a triangular number (6958315 = T₃₇₃₀).

The spelling of 10081065950209 in words is "ten trillion, eighty-one billion, sixty-five million, nine hundred fifty thousand, two hundred nine".