1519116347797 has 2 divisors, whose sum is σ = 1519116347798. Its totient is φ = 1519116347796.

The previous prime is 1519116347731. The next prime is 1519116347809. The reversal of 1519116347797 is 7977436119151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1416209482116 + 102906865681 = 1190046^2 + 320791^2 .

It is a cyclic number.

It is not a de Polignac number, because 1519116347797 - 2²⁷ = 1518982130069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1519116347197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 759558173898 + 759558173899.

It is an arithmetic number, because the mean of its divisors is an integer number (759558173899).

Almost surely, 2^{1519116347797} is an apocalyptic number.

It is an amenable number.

1519116347797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1519116347797 is an equidigital number, since it uses as much as digits as its factorization.

1519116347797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10001880, while the sum is 61.

The spelling of 1519116347797 in words is "one trillion, five hundred nineteen billion, one hundred sixteen million, three hundred forty-seven thousand, seven hundred ninety-seven".