5205164550077 has 2 divisors, whose sum is σ = 5205164550078. Its totient is φ = 5205164550076.

The previous prime is 5205164550073. The next prime is 5205164550083. The reversal of 5205164550077 is 7700554615025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5148447222361 + 56717327716 = 2269019^2 + 238154^2 .

It is a cyclic number.

It is not a de Polignac number, because 5205164550077 - 2² = 5205164550073 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5205164550073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2602582275038 + 2602582275039.

It is an arithmetic number, because the mean of its divisors is an integer number (2602582275039).

Almost surely, 2^{5205164550077} is an apocalyptic number.

It is an amenable number.

5205164550077 is a deficient number, since it is larger than the sum of its proper divisors (1).

5205164550077 is an equidigital number, since it uses as much as digits as its factorization.

5205164550077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1470000, while the sum is 47.

The spelling of 5205164550077 in words is "five trillion, two hundred five billion, one hundred sixty-four million, five hundred fifty thousand, seventy-seven".