1174320173857 has 2 divisors, whose sum is σ = 1174320173858. Its totient is φ = 1174320173856.

The previous prime is 1174320173731. The next prime is 1174320173869. The reversal of 1174320173857 is 7583710234711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 774891117841 + 399429056016 = 880279^2 + 632004^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1174320173857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1174320173857.

It is not a weakly prime, because it can be changed into another prime (1174320170857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 587160086928 + 587160086929.

It is an arithmetic number, because the mean of its divisors is an integer number (587160086929).

Almost surely, 2^{1174320173857} is an apocalyptic number.

It is an amenable number.

1174320173857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1174320173857 is an equidigital number, since it uses as much as digits as its factorization.

1174320173857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 987840, while the sum is 49.

The spelling of 1174320173857 in words is "one trillion, one hundred seventy-four billion, three hundred twenty million, one hundred seventy-three thousand, eight hundred fifty-seven".