13664140233211 has 16 divisors (see below), whose sum is σ = 15000613060608. Its totient is φ = 12370296909600.

The previous prime is 13664140233193. The next prime is 13664140233307. The reversal of 13664140233211 is 11233204146631.

It is a cyclic number.

It is not a de Polignac number, because 13664140233211 - 2²¹ = 13664138136059 is a prime.

It is a super-2 number, since 2×13664140233211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13664140231211) 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, 38577771 + ... + 38930356.

It is an arithmetic number, because the mean of its divisors is an integer number (937538316288).

Almost surely, 2^{13664140233211} is an apocalyptic number.

13664140233211 is a deficient number, since it is larger than the sum of its proper divisors (1336472827397).

13664140233211 is a wasteful number, since it uses less digits than its factorization.

13664140233211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77508402.

The product of its (nonzero) digits is 62208, while the sum is 37.

Adding to 13664140233211 its reverse (11233204146631), we get a palindrome (24897344379842).

The spelling of 13664140233211 in words is "thirteen trillion, six hundred sixty-four billion, one hundred forty million, two hundred thirty-three thousand, two hundred eleven".