11142261 has 12 divisors (see below), whose sum is σ = 17332588. Its totient is φ = 6856704.

The previous prime is 11142253. The next prime is 11142311. The reversal of 11142261 is 16224111.

It can be written as a sum of positive squares in 2 ways, for example, as 2232036 + 8910225 = 1494^2 + 2985^2 .

It is not a de Polignac number, because 11142261 - 2³ = 11142253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142211) 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, 47500 + ... + 47733.

Almost surely, 2^11142261 is an apocalyptic number.

It is an amenable number.

11142261 is a deficient number, since it is larger than the sum of its proper divisors (6190327).

11142261 is a wasteful number, since it uses less digits than its factorization.

11142261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95252 (or 95249 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 11142261 is about 3338.0025464340. The cubic root of 11142261 is about 223.3526497488.

Adding to 11142261 its reverse (16224111), we get a palindrome (27366372).

It can be divided in two parts, 1114 and 2261, that added together give a cube (3375 = 15³).

The spelling of 11142261 in words is "eleven million, one hundred forty-two thousand, two hundred sixty-one".