1163506025 has 24 divisors (see below), whose sum is σ = 1589225664. Its totient is φ = 837950400.

The previous prime is 1163505977. The next prime is 1163506049. The reversal of 1163506025 is 5206053611.

It is not a de Polignac number, because 1163506025 - 2¹⁰ = 1163505001 is a prime.

It is a super-2 number, since 2×1163506025² = 2707492540422601250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7787 + ... + 48863.

It is an arithmetic number, because the mean of its divisors is an integer number (66217736).

Almost surely, 2^1163506025 is an apocalyptic number.

It is an amenable number.

1163506025 is a deficient number, since it is larger than the sum of its proper divisors (425719639).

1163506025 is a wasteful number, since it uses less digits than its factorization.

1163506025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41201 (or 41196 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1163506025 is about 34110.2041184159. The cubic root of 1163506025 is about 1051.7750851055.

Adding to 1163506025 its reverse (5206053611), we get a palindrome (6369559636).

The spelling of 1163506025 in words is "one billion, one hundred sixty-three million, five hundred six thousand, twenty-five".