1163253501629 has 2 divisors, whose sum is σ = 1163253501630. Its totient is φ = 1163253501628.

The previous prime is 1163253501581. The next prime is 1163253501649. The reversal of 1163253501629 is 9261053523611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 596586312100 + 566667189529 = 772390^2 + 752773^2 .

It is an emirp because it is prime and its reverse (9261053523611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1163253501629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1163253501629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1163253501649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581626750814 + 581626750815.

It is an arithmetic number, because the mean of its divisors is an integer number (581626750815).

Almost surely, 2^{1163253501629} is an apocalyptic number.

It is an amenable number.

1163253501629 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163253501629 is an equidigital number, since it uses as much as digits as its factorization.

1163253501629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 1163253501629 in words is "one trillion, one hundred sixty-three billion, two hundred fifty-three million, five hundred one thousand, six hundred twenty-nine".