21113161134611 has 8 divisors (see below), whose sum is σ = 25985429088864. Its totient is φ = 16704918699840.

The previous prime is 21113161134601. The next prime is 21113161134613. The reversal of 21113161134611 is 11643116131112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21113161134611 - 2¹⁴ = 21113161118227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21113161134613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116006379770 + ... + 116006379951.

It is an arithmetic number, because the mean of its divisors is an integer number (3248178636108).

Almost surely, 2^{21113161134611} is an apocalyptic number.

21113161134611 is a deficient number, since it is larger than the sum of its proper divisors (4872267954253).

21113161134611 is a wasteful number, since it uses less digits than its factorization.

21113161134611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232012759741.

The product of its digits is 2592, while the sum is 32.

Adding to 21113161134611 its reverse (11643116131112), we get a palindrome (32756277265723).

The spelling of 21113161134611 in words is "twenty-one trillion, one hundred thirteen billion, one hundred sixty-one million, one hundred thirty-four thousand, six hundred eleven".