27771234111053 has 2 divisors, whose sum is σ = 27771234111054. Its totient is φ = 27771234111052.

The previous prime is 27771234111043. The next prime is 27771234111097. The reversal of 27771234111053 is 35011143217772.

It is an a-pointer prime, because the next prime (27771234111097) can be obtained adding 27771234111053 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27534923401129 + 236310709924 = 5247373^2 + 486118^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27771234111053 is a prime.

It is a super-2 number, since 2×27771234111053² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27771234110995 and 27771234111013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27771234111013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13885617055526 + 13885617055527.

It is an arithmetic number, because the mean of its divisors is an integer number (13885617055527).

Almost surely, 2^{27771234111053} is an apocalyptic number.

It is an amenable number.

27771234111053 is a deficient number, since it is larger than the sum of its proper divisors (1).

27771234111053 is an equidigital number, since it uses as much as digits as its factorization.

27771234111053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 246960, while the sum is 44.

The spelling of 27771234111053 in words is "twenty-seven trillion, seven hundred seventy-one billion, two hundred thirty-four million, one hundred eleven thousand, fifty-three".