5211166427 has 2 divisors, whose sum is σ = 5211166428. Its totient is φ = 5211166426.

The previous prime is 5211166403. The next prime is 5211166439. The reversal of 5211166427 is 7246611125.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5211166427 - 2⁸ = 5211166171 is a prime.

It is not a weakly prime, because it can be changed into another prime (5211106427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2605583213 + 2605583214.

It is an arithmetic number, because the mean of its divisors is an integer number (2605583214).

Almost surely, 2^5211166427 is an apocalyptic number.

5211166427 is a deficient number, since it is larger than the sum of its proper divisors (1).

5211166427 is an equidigital number, since it uses as much as digits as its factorization.

5211166427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

The square root of 5211166427 is about 72188.4092289060. The cubic root of 5211166427 is about 1733.7174260957.

The spelling of 5211166427 in words is "five billion, two hundred eleven million, one hundred sixty-six thousand, four hundred twenty-seven".