1163985007 has 2 divisors, whose sum is σ = 1163985008. Its totient is φ = 1163985006.

The previous prime is 1163984999. The next prime is 1163985041. The reversal of 1163985007 is 7005893611.

It is a weak prime.

It is an emirp because it is prime and its reverse (7005893611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1163985007 - 2³ = 1163984999 is a prime.

It is a super-3 number, since 3×1163985007³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1163980007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581992503 + 581992504.

It is an arithmetic number, because the mean of its divisors is an integer number (581992504).

Almost surely, 2^1163985007 is an apocalyptic number.

1163985007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163985007 is an equidigital number, since it uses as much as digits as its factorization.

1163985007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 1163985007 is about 34117.2244914501. The cubic root of 1163985007 is about 1051.9193938322.

The spelling of 1163985007 in words is "one billion, one hundred sixty-three million, nine hundred eighty-five thousand, seven".