22525543111 has 2 divisors, whose sum is σ = 22525543112. Its totient is φ = 22525543110.

The previous prime is 22525543109. The next prime is 22525543121. The reversal of 22525543111 is 11134552522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22525543111 - 2¹ = 22525543109 is a prime.

Together with 22525543109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22525543121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11262771555 + 11262771556.

It is an arithmetic number, because the mean of its divisors is an integer number (11262771556).

Almost surely, 2^22525543111 is an apocalyptic number.

22525543111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22525543111 is an equidigital number, since it uses as much as digits as its factorization.

22525543111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12000, while the sum is 31.

The spelling of 22525543111 in words is "twenty-two billion, five hundred twenty-five million, five hundred forty-three thousand, one hundred eleven".