11275533 has 12 divisors (see below), whose sum is σ = 16684668. Its totient is φ = 7333440.

The previous prime is 11275529. The next prime is 11275547. The reversal of 11275533 is 33557211.

11275533 is a `hidden beast` number, since 1 + 127 + 5 + 533 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 660969 + 10614564 = 813^2 + 3258^2 .

It is not a de Polignac number, because 11275533 - 2² = 11275529 is a prime.

It is a super-3 number, since 3×11275533³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11275497 and 11275506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11275133) 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, 14910 + ... + 15647.

It is an arithmetic number, because the mean of its divisors is an integer number (1390389).

Almost surely, 2^11275533 is an apocalyptic number.

It is an amenable number.

11275533 is a deficient number, since it is larger than the sum of its proper divisors (5409135).

11275533 is a wasteful number, since it uses less digits than its factorization.

11275533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30604 (or 30601 counting only the distinct ones).

The product of its digits is 3150, while the sum is 27.

The square root of 11275533 is about 3357.9060439506. The cubic root of 11275533 is about 224.2396258479.

The spelling of 11275533 in words is "eleven million, two hundred seventy-five thousand, five hundred thirty-three".