18217601411 has 2 divisors, whose sum is σ = 18217601412. Its totient is φ = 18217601410.

The previous prime is 18217601393. The next prime is 18217601429. The reversal of 18217601411 is 11410671281.

It is a balanced prime because it is at equal distance from previous prime (18217601393) and next prime (18217601429).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18217601411 is a prime.

It is not a weakly prime, because it can be changed into another prime (18217601711) 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, 9108800705 + 9108800706.

It is an arithmetic number, because the mean of its divisors is an integer number (9108800706).

Almost surely, 2^18217601411 is an apocalyptic number.

18217601411 is a deficient number, since it is larger than the sum of its proper divisors (1).

18217601411 is an equidigital number, since it uses as much as digits as its factorization.

18217601411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 32.

The spelling of 18217601411 in words is "eighteen billion, two hundred seventeen million, six hundred one thousand, four hundred eleven".