27505554941 has 2 divisors, whose sum is σ = 27505554942. Its totient is φ = 27505554940.

The previous prime is 27505554859. The next prime is 27505554961. The reversal of 27505554941 is 14945550572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16442932900 + 11062622041 = 128230^2 + 105179^2 .

It is a cyclic number.

It is not a de Polignac number, because 27505554941 - 2³⁰ = 26431813117 is a prime.

It is a super-2 number, since 2×27505554941² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27505554961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13752777470 + 13752777471.

It is an arithmetic number, because the mean of its divisors is an integer number (13752777471).

Almost surely, 2^27505554941 is an apocalyptic number.

It is an amenable number.

27505554941 is a deficient number, since it is larger than the sum of its proper divisors (1).

27505554941 is an equidigital number, since it uses as much as digits as its factorization.

27505554941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260000, while the sum is 47.

The spelling of 27505554941 in words is "twenty-seven billion, five hundred five million, five hundred fifty-four thousand, nine hundred forty-one".