5115298240777 has 2 divisors, whose sum is σ = 5115298240778. Its totient is φ = 5115298240776.

The previous prime is 5115298240771. The next prime is 5115298240813. The reversal of 5115298240777 is 7770428925115.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4438357641081 + 676940599696 = 2106741^2 + 822764^2 .

It is a cyclic number.

It is not a de Polignac number, because 5115298240777 - 2³ = 5115298240769 is a prime.

It is not a weakly prime, because it can be changed into another prime (5115298240771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2557649120388 + 2557649120389.

It is an arithmetic number, because the mean of its divisors is an integer number (2557649120389).

Almost surely, 2^{5115298240777} is an apocalyptic number.

It is an amenable number.

5115298240777 is a deficient number, since it is larger than the sum of its proper divisors (1).

5115298240777 is an equidigital number, since it uses as much as digits as its factorization.

5115298240777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9878400, while the sum is 58.

The spelling of 5115298240777 in words is "five trillion, one hundred fifteen billion, two hundred ninety-eight million, two hundred forty thousand, seven hundred seventy-seven".