5077121191 has 2 divisors, whose sum is σ = 5077121192. Its totient is φ = 5077121190.

The previous prime is 5077121183. The next prime is 5077121201. The reversal of 5077121191 is 1911217705.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5077121191 - 2³ = 5077121183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5077121171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2538560595 + 2538560596.

It is an arithmetic number, because the mean of its divisors is an integer number (2538560596).

Almost surely, 2^5077121191 is an apocalyptic number.

5077121191 is a deficient number, since it is larger than the sum of its proper divisors (1).

5077121191 is an equidigital number, since it uses as much as digits as its factorization.

5077121191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 34.

The square root of 5077121191 is about 71253.9205307329. The cubic root of 5077121191 is about 1718.7228204610.

Adding to 5077121191 its reverse (1911217705), we get a palindrome (6988338896).

The spelling of 5077121191 in words is "five billion, seventy-seven million, one hundred twenty-one thousand, one hundred ninety-one".