11630201165 has 12 divisors (see below), whose sum is σ = 15340332252. Its totient is φ = 8458327680.

The previous prime is 11630200991. The next prime is 11630201237. The reversal of 11630201165 is 56110203611.

It can be written as a sum of positive squares in 2 ways, for example, as 1702470121 + 9927731044 = 41261^2 + 99638^2 .

It is not a de Polignac number, because 11630201165 - 2²⁰ = 11629152589 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 11 ways as a sum of consecutive naturals, for example, 9611132 + ... + 9612341.

It is an arithmetic number, because the mean of its divisors is an integer number (1278361021).

Almost surely, 2^11630201165 is an apocalyptic number.

It is an amenable number.

11630201165 is a deficient number, since it is larger than the sum of its proper divisors (3710131087).

11630201165 is a wasteful number, since it uses less digits than its factorization.

11630201165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19223500 (or 19223489 counting only the distinct ones).

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

Adding to 11630201165 its reverse (56110203611), we get a palindrome (67740404776).

The spelling of 11630201165 in words is "eleven billion, six hundred thirty million, two hundred one thousand, one hundred sixty-five".