20111030230037 has 2 divisors, whose sum is σ = 20111030230038. Its totient is φ = 20111030230036.

The previous prime is 20111030230021. The next prime is 20111030230129. The reversal of 20111030230037 is 73003203011102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13056088649041 + 7054941580996 = 3613321^2 + 2656114^2 .

It is a cyclic number.

It is not a de Polignac number, because 20111030230037 - 2⁴ = 20111030230021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20111030229994 and 20111030230021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20111030230337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055515115018 + 10055515115019.

It is an arithmetic number, because the mean of its divisors is an integer number (10055515115019).

Almost surely, 2^{20111030230037} is an apocalyptic number.

It is an amenable number.

20111030230037 is a deficient number, since it is larger than the sum of its proper divisors (1).

20111030230037 is an equidigital number, since it uses as much as digits as its factorization.

20111030230037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

Adding to 20111030230037 its reverse (73003203011102), we get a palindrome (93114233241139).

The spelling of 20111030230037 in words is "twenty trillion, one hundred eleven billion, thirty million, two hundred thirty thousand, thirty-seven".