1163985125 has 32 divisors (see below), whose sum is σ = 1535863680. Its totient is φ = 878284800.

The previous prime is 1163985101. The next prime is 1163985191. The reversal of 1163985125 is 5215893611.

It is not a de Polignac number, because 1163985125 - 2²⁰ = 1162936549 is a prime.

It is a super-2 number, since 2×1163985125² = 2709722742442531250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 609422 + ... + 611328.

It is an arithmetic number, because the mean of its divisors is an integer number (47995740).

Almost surely, 2^1163985125 is an apocalyptic number.

It is an amenable number.

1163985125 is a deficient number, since it is larger than the sum of its proper divisors (371878555).

1163985125 is a wasteful number, since it uses less digits than its factorization.

1163985125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198 (or 2188 counting only the distinct ones).

The product of its digits is 64800, while the sum is 41.

The square root of 1163985125 is about 34117.2262207818. The cubic root of 1163985125 is about 1051.9194293786.

The spelling of 1163985125 in words is "one billion, one hundred sixty-three million, nine hundred eighty-five thousand, one hundred twenty-five".