113414555621 has 2 divisors, whose sum is σ = 113414555622. Its totient is φ = 113414555620.

The previous prime is 113414555567. The next prime is 113414555647. The reversal of 113414555621 is 126555414311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103417555396 + 9997000225 = 321586^2 + 99985^2 .

It is a cyclic number.

It is not a de Polignac number, because 113414555621 - 2⁶ = 113414555557 is a prime.

It is a super-2 number, since 2×113414555621² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113414555321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56707277810 + 56707277811.

It is an arithmetic number, because the mean of its divisors is an integer number (56707277811).

Almost surely, 2^113414555621 is an apocalyptic number.

It is an amenable number.

113414555621 is a deficient number, since it is larger than the sum of its proper divisors (1).

113414555621 is an equidigital number, since it uses as much as digits as its factorization.

113414555621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72000, while the sum is 38.

Adding to 113414555621 its reverse (126555414311), we get a palindrome (239969969932).

The spelling of 113414555621 in words is "one hundred thirteen billion, four hundred fourteen million, five hundred fifty-five thousand, six hundred twenty-one".