22781993025811 has 2 divisors, whose sum is σ = 22781993025812. Its totient is φ = 22781993025810.

The previous prime is 22781993025763. The next prime is 22781993025859. The reversal of 22781993025811 is 11852039918722.

It is a balanced prime because it is at equal distance from previous prime (22781993025763) and next prime (22781993025859).

It is a cyclic number.

It is not a de Polignac number, because 22781993025811 - 2¹¹ = 22781993023763 is a prime.

It is not a weakly prime, because it can be changed into another prime (22781993029811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11390996512905 + 11390996512906.

It is an arithmetic number, because the mean of its divisors is an integer number (11390996512906).

Almost surely, 2^{22781993025811} is an apocalyptic number.

22781993025811 is a deficient number, since it is larger than the sum of its proper divisors (1).

22781993025811 is an equidigital number, since it uses as much as digits as its factorization.

22781993025811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 58.

The spelling of 22781993025811 in words is "twenty-two trillion, seven hundred eighty-one billion, nine hundred ninety-three million, twenty-five thousand, eight hundred eleven".