415544253121 has 2 divisors, whose sum is σ = 415544253122. Its totient is φ = 415544253120.

The previous prime is 415544253119. The next prime is 415544253193. The reversal of 415544253121 is 121352445514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238861900225 + 176682352896 = 488735^2 + 420336^2 .

It is a cyclic number.

It is not a de Polignac number, because 415544253121 - 2¹ = 415544253119 is a prime.

Together with 415544253119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (415544256121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207772126560 + 207772126561.

It is an arithmetic number, because the mean of its divisors is an integer number (207772126561).

Almost surely, 2^415544253121 is an apocalyptic number.

It is an amenable number.

415544253121 is a deficient number, since it is larger than the sum of its proper divisors (1).

415544253121 is an equidigital number, since it uses as much as digits as its factorization.

415544253121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96000, while the sum is 37.

Adding to 415544253121 its reverse (121352445514), we get a palindrome (536896698635).

The spelling of 415544253121 in words is "four hundred fifteen billion, five hundred forty-four million, two hundred fifty-three thousand, one hundred twenty-one".