27675771525401 has 2 divisors, whose sum is σ = 27675771525402. Its totient is φ = 27675771525400.

The previous prime is 27675771525383. The next prime is 27675771525403. The reversal of 27675771525401 is 10452517757672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25753392048400 + 1922379477001 = 5074780^2 + 1386499^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27675771525401 is a prime.

Together with 27675771525403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27675771525403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13837885762700 + 13837885762701.

It is an arithmetic number, because the mean of its divisors is an integer number (13837885762701).

Almost surely, 2^{27675771525401} is an apocalyptic number.

It is an amenable number.

27675771525401 is a deficient number, since it is larger than the sum of its proper divisors (1).

27675771525401 is an equidigital number, since it uses as much as digits as its factorization.

27675771525401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28812000, while the sum is 59.

The spelling of 27675771525401 in words is "twenty-seven trillion, six hundred seventy-five billion, seven hundred seventy-one million, five hundred twenty-five thousand, four hundred one".