6540922111 has 2 divisors, whose sum is σ = 6540922112. Its totient is φ = 6540922110.

The previous prime is 6540922099. The next prime is 6540922169. The reversal of 6540922111 is 1112290456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6540922111 - 2⁹ = 6540921599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6540922181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3270461055 + 3270461056.

It is an arithmetic number, because the mean of its divisors is an integer number (3270461056).

Almost surely, 2^6540922111 is an apocalyptic number.

6540922111 is a deficient number, since it is larger than the sum of its proper divisors (1).

6540922111 is an equidigital number, since it uses as much as digits as its factorization.

6540922111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 6540922111 is about 80875.9674501641. The cubic root of 6540922111 is about 1870.1638556411.

The spelling of 6540922111 in words is "six billion, five hundred forty million, nine hundred twenty-two thousand, one hundred eleven".