11613221161351 has 2 divisors, whose sum is σ = 11613221161352. Its totient is φ = 11613221161350.

The previous prime is 11613221161343. The next prime is 11613221161447. The reversal of 11613221161351 is 15316112231611.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (15316112231611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11613221161351 - 2³ = 11613221161343 is a prime.

It is a super-2 number, since 2×11613221161351² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11613221161151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5806610580675 + 5806610580676.

It is an arithmetic number, because the mean of its divisors is an integer number (5806610580676).

Almost surely, 2^{11613221161351} is an apocalyptic number.

11613221161351 is a deficient number, since it is larger than the sum of its proper divisors (1).

11613221161351 is an equidigital number, since it uses as much as digits as its factorization.

11613221161351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 34.

Adding to 11613221161351 its reverse (15316112231611), we get a palindrome (26929333392962).

The spelling of 11613221161351 in words is "eleven trillion, six hundred thirteen billion, two hundred twenty-one million, one hundred sixty-one thousand, three hundred fifty-one".