1172765247853 has 2 divisors, whose sum is σ = 1172765247854. Its totient is φ = 1172765247852.

The previous prime is 1172765247827. The next prime is 1172765247883. The reversal of 1172765247853 is 3587425672711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 970780619524 + 201984628329 = 985282^2 + 449427^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1172765247853 is a prime.

It is a super-2 number, since 2×1172765247853² (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 (1172765247883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586382623926 + 586382623927.

It is an arithmetic number, because the mean of its divisors is an integer number (586382623927).

Almost surely, 2^{1172765247853} is an apocalyptic number.

It is an amenable number.

1172765247853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1172765247853 is an equidigital number, since it uses as much as digits as its factorization.

1172765247853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19756800, while the sum is 58.

The spelling of 1172765247853 in words is "one trillion, one hundred seventy-two billion, seven hundred sixty-five million, two hundred forty-seven thousand, eight hundred fifty-three".