2621264238011 has 2 divisors, whose sum is σ = 2621264238012. Its totient is φ = 2621264238010.

The previous prime is 2621264238007. The next prime is 2621264238101. The reversal of 2621264238011 is 1108324621262.

2621264238011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (2621264238101) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2621264238011 - 2² = 2621264238007 is a prime.

It is a super-2 number, since 2×2621264238011² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2621264238001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310632119005 + 1310632119006.

It is an arithmetic number, because the mean of its divisors is an integer number (1310632119006).

Almost surely, 2^{2621264238011} is an apocalyptic number.

2621264238011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2621264238011 is an equidigital number, since it uses as much as digits as its factorization.

2621264238011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 38.

Adding to 2621264238011 its reverse (1108324621262), we get a palindrome (3729588859273).

The spelling of 2621264238011 in words is "two trillion, six hundred twenty-one billion, two hundred sixty-four million, two hundred thirty-eight thousand, eleven".