1117718806357 has 2 divisors, whose sum is σ = 1117718806358. Its totient is φ = 1117718806356.

The previous prime is 1117718806339. The next prime is 1117718806363. The reversal of 1117718806357 is 7536088177111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1091159911396 + 26558894961 = 1044586^2 + 162969^2 .

It is a cyclic number.

It is not a de Polignac number, because 1117718806357 - 2²⁷ = 1117584588629 is a prime.

It is a super-2 number, since 2×1117718806357² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1117718806298 and 1117718806307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1117718806327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558859403178 + 558859403179.

It is an arithmetic number, because the mean of its divisors is an integer number (558859403179).

Almost surely, 2^{1117718806357} is an apocalyptic number.

It is an amenable number.

1117718806357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117718806357 is an equidigital number, since it uses as much as digits as its factorization.

1117718806357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1975680, while the sum is 55.

The spelling of 1117718806357 in words is "one trillion, one hundred seventeen billion, seven hundred eighteen million, eight hundred six thousand, three hundred fifty-seven".