11634360221311 has 4 divisors (see below), whose sum is σ = 11645777651400. Its totient is φ = 11622942791224.

The previous prime is 11634360221269. The next prime is 11634360221321. The reversal of 11634360221311 is 11312206343611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11634360221311 - 2¹⁷ = 11634360090239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11634360221321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5708713516 + ... + 5708715553.

It is an arithmetic number, because the mean of its divisors is an integer number (2911444412850).

Almost surely, 2^{11634360221311} is an apocalyptic number.

11634360221311 is a deficient number, since it is larger than the sum of its proper divisors (11417430089).

11634360221311 is a wasteful number, since it uses less digits than its factorization.

11634360221311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11417430088.

The product of its (nonzero) digits is 15552, while the sum is 34.

Adding to 11634360221311 its reverse (11312206343611), we get a palindrome (22946566564922).

The spelling of 11634360221311 in words is "eleven trillion, six hundred thirty-four billion, three hundred sixty million, two hundred twenty-one thousand, three hundred eleven".