5431377811 has 2 divisors, whose sum is σ = 5431377812. Its totient is φ = 5431377810.

The previous prime is 5431377799. The next prime is 5431377863. The reversal of 5431377811 is 1187731345.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5431377811 - 2⁵ = 5431377779 is a prime.

It is not a weakly prime, because it can be changed into another prime (5431377911) 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, 2715688905 + 2715688906.

It is an arithmetic number, because the mean of its divisors is an integer number (2715688906).

Almost surely, 2^5431377811 is an apocalyptic number.

5431377811 is a deficient number, since it is larger than the sum of its proper divisors (1).

5431377811 is an equidigital number, since it uses as much as digits as its factorization.

5431377811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 40.

The square root of 5431377811 is about 73697.8819980602. The cubic root of 5431377811 is about 1757.8022035968.

The spelling of 5431377811 in words is "five billion, four hundred thirty-one million, three hundred seventy-seven thousand, eight hundred eleven".