11666344135103 has 16 divisors (see below), whose sum is σ = 14176324823040. Its totient is φ = 9372125809536.

The previous prime is 11666344135081. The next prime is 11666344135111. The reversal of 11666344135103 is 30153144366611.

It is not a de Polignac number, because 11666344135103 - 2¹⁸ = 11666343872959 is a prime.

It is a super-2 number, since 2×11666344135103² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11666344135133) 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, 205068851 + ... + 205125732.

It is an arithmetic number, because the mean of its divisors is an integer number (886020301440).

Almost surely, 2^{11666344135103} is an apocalyptic number.

11666344135103 is a deficient number, since it is larger than the sum of its proper divisors (2509980687937).

11666344135103 is a wasteful number, since it uses less digits than its factorization.

11666344135103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410194846.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 11666344135103 in words is "eleven trillion, six hundred sixty-six billion, three hundred forty-four million, one hundred thirty-five thousand, one hundred three".