11621003630053 has 2 divisors, whose sum is σ = 11621003630054. Its totient is φ = 11621003630052.

The previous prime is 11621003630051. The next prime is 11621003630083. The reversal of 11621003630053 is 35003630012611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10614870254209 + 1006133375844 = 3258047^2 + 1003062^2 .

It is a cyclic number.

It is not a de Polignac number, because 11621003630053 - 2¹ = 11621003630051 is a prime.

Together with 11621003630051, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 11621003629997 and 11621003630024.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11621003630051) 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, 5810501815026 + 5810501815027.

It is an arithmetic number, because the mean of its divisors is an integer number (5810501815027).

Almost surely, 2^{11621003630053} is an apocalyptic number.

It is an amenable number.

11621003630053 is a deficient number, since it is larger than the sum of its proper divisors (1).

11621003630053 is an equidigital number, since it uses as much as digits as its factorization.

11621003630053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 31.

Adding to 11621003630053 its reverse (35003630012611), we get a palindrome (46624633642664).

The spelling of 11621003630053 in words is "eleven trillion, six hundred twenty-one billion, three million, six hundred thirty thousand, fifty-three".