1117390467797 has 2 divisors, whose sum is σ = 1117390467798. Its totient is φ = 1117390467796.

The previous prime is 1117390467719. The next prime is 1117390467803. The reversal of 1117390467797 is 7977640937111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 819892219441 + 297498248356 = 905479^2 + 545434^2 .

It is a cyclic number.

It is not a de Polignac number, because 1117390467797 - 2⁸ = 1117390467541 is a prime.

It is a super-2 number, since 2×1117390467797² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1117390467097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558695233898 + 558695233899.

It is an arithmetic number, because the mean of its divisors is an integer number (558695233899).

Almost surely, 2^{1117390467797} is an apocalyptic number.

It is an amenable number.

1117390467797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117390467797 is an equidigital number, since it uses as much as digits as its factorization.

1117390467797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14002632, while the sum is 62.

The spelling of 1117390467797 in words is "one trillion, one hundred seventeen billion, three hundred ninety million, four hundred sixty-seven thousand, seven hundred ninety-seven".