11622165113 has 4 divisors (see below), whose sum is σ = 12516177828. Its totient is φ = 10728152400.

The previous prime is 11622165103. The next prime is 11622165227. The reversal of 11622165113 is 31156122611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31156122611 = 457 ⋅68175323.

It can be written as a sum of positive squares in 2 ways, for example, as 7956104809 + 3666060304 = 89197^2 + 60548^2 .

It is a cyclic number.

It is not a de Polignac number, because 11622165113 - 2¹⁴ = 11622148729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11622165103) 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, 447006338 + ... + 447006363.

It is an arithmetic number, because the mean of its divisors is an integer number (3129044457).

Almost surely, 2^11622165113 is an apocalyptic number.

11622165113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11622165113 is a deficient number, since it is larger than the sum of its proper divisors (894012715).

11622165113 is an equidigital number, since it uses as much as digits as its factorization.

11622165113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894012714.

The product of its digits is 2160, while the sum is 29.

Adding to 11622165113 its reverse (31156122611), we get a palindrome (42778287724).

The spelling of 11622165113 in words is "eleven billion, six hundred twenty-two million, one hundred sixty-five thousand, one hundred thirteen".