20102626336511 has 2 divisors, whose sum is σ = 20102626336512. Its totient is φ = 20102626336510.

The previous prime is 20102626336493. The next prime is 20102626336519. The reversal of 20102626336511 is 11563362620102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20102626336511 - 2³⁰ = 20101552594687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20102626336519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051313168255 + 10051313168256.

It is an arithmetic number, because the mean of its divisors is an integer number (10051313168256).

Almost surely, 2^{20102626336511} is an apocalyptic number.

20102626336511 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102626336511 is an equidigital number, since it uses as much as digits as its factorization.

20102626336511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

Adding to 20102626336511 its reverse (11563362620102), we get a palindrome (31665988956613).

The spelling of 20102626336511 in words is "twenty trillion, one hundred two billion, six hundred twenty-six million, three hundred thirty-six thousand, five hundred eleven".