11130206165 has 16 divisors (see below), whose sum is σ = 14389416048. Its totient is φ = 8215934976.

The previous prime is 11130206149. The next prime is 11130206231. The reversal of 11130206165 is 56160203111.

It can be written as a sum of positive squares in 8 ways, for example, as 7761796 + 11122444369 = 2786^2 + 105463^2 .

It is a cyclic number.

It is not a de Polignac number, because 11130206165 - 2⁴ = 11130206149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135527 + ... + 201563.

It is an arithmetic number, because the mean of its divisors is an integer number (899338503).

Almost surely, 2^11130206165 is an apocalyptic number.

It is an amenable number.

11130206165 is a deficient number, since it is larger than the sum of its proper divisors (3259209883).

11130206165 is a wasteful number, since it uses less digits than its factorization.

11130206165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68648.

The product of its (nonzero) digits is 1080, while the sum is 26.

Adding to 11130206165 its reverse (56160203111), we get a palindrome (67290409276).

The spelling of 11130206165 in words is "eleven billion, one hundred thirty million, two hundred six thousand, one hundred sixty-five".