11631075 has 12 divisors (see below), whose sum is σ = 19230168. Its totient is φ = 6203200.

The previous prime is 11631071. The next prime is 11631079. The reversal of 11631075 is 57013611.

It is an interprime number because it is at equal distance from previous prime (11631071) and next prime (11631079).

It is not a de Polignac number, because 11631075 - 2² = 11631071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11631071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77466 + ... + 77615.

It is an arithmetic number, because the mean of its divisors is an integer number (1602514).

Almost surely, 2^11631075 is an apocalyptic number.

11631075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11631075 is a deficient number, since it is larger than the sum of its proper divisors (7599093).

11631075 is a wasteful number, since it uses less digits than its factorization.

11631075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155094 (or 155089 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 11631075 is about 3410.4361891113. The cubic root of 11631075 is about 226.5721984750.

Adding to 11631075 its reverse (57013611), we get a palindrome (68644686).

The spelling of 11631075 in words is "eleven million, six hundred thirty-one thousand, seventy-five".