27111750851663 has 2 divisors, whose sum is σ = 27111750851664. Its totient is φ = 27111750851662.

The previous prime is 27111750851623. The next prime is 27111750851677. The reversal of 27111750851663 is 36615805711172.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27111750851663 - 2³⁶ = 27043031374927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27111750851623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13555875425831 + 13555875425832.

It is an arithmetic number, because the mean of its divisors is an integer number (13555875425832).

Almost surely, 2^{27111750851663} is an apocalyptic number.

27111750851663 is a deficient number, since it is larger than the sum of its proper divisors (1).

27111750851663 is an equidigital number, since it uses as much as digits as its factorization.

27111750851663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2116800, while the sum is 53.

The spelling of 27111750851663 in words is "twenty-seven trillion, one hundred eleven billion, seven hundred fifty million, eight hundred fifty-one thousand, six hundred sixty-three".