11631275 has 12 divisors (see below), whose sum is σ = 14566032. Its totient is φ = 9212640.

The previous prime is 11631271. The next prime is 11631289. The reversal of 11631275 is 57213611.

It is not a de Polignac number, because 11631275 - 2² = 11631271 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11631271) 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, 317 + ... + 4833.

It is an arithmetic number, because the mean of its divisors is an integer number (1213836).

Almost surely, 2^11631275 is an apocalyptic number.

11631275 is a deficient number, since it is larger than the sum of its proper divisors (2934757).

11631275 is a wasteful number, since it uses less digits than its factorization.

11631275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4630 (or 4625 counting only the distinct ones).

The product of its digits is 1260, while the sum is 26.

The square root of 11631275 is about 3410.4655107478. The cubic root of 11631275 is about 226.5734971277.

Adding to 11631275 its reverse (57213611), we get a palindrome (68844886).

The spelling of 11631275 in words is "eleven million, six hundred thirty-one thousand, two hundred seventy-five".