11446660512165 has 16 divisors (see below), whose sum is σ = 18314949873600. Its totient is φ = 6104787921792.

The previous prime is 11446660512143. The next prime is 11446660512167. The reversal of 11446660512165 is 56121506664411.

It is not a de Polignac number, because 11446660512165 - 2²⁸ = 11446392076709 is a prime.

It is a super-2 number, since 2×11446660512165² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11446660512167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5131600 + ... + 7016169.

It is an arithmetic number, because the mean of its divisors is an integer number (1144684367100).

Almost surely, 2^{11446660512165} is an apocalyptic number.

11446660512165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11446660512165 is a deficient number, since it is larger than the sum of its proper divisors (6868289361435).

11446660512165 is a wasteful number, since it uses less digits than its factorization.

11446660512165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12210596.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 11446660512165 in words is "eleven trillion, four hundred forty-six billion, six hundred sixty million, five hundred twelve thousand, one hundred sixty-five".