11261043 has 6 divisors (see below), whose sum is σ = 16265964. Its totient is φ = 7507356.

The previous prime is 11261023. The next prime is 11261057. The reversal of 11261043 is 34016211.

It is a happy number.

11261043 is a `hidden beast` number, since 1 + 12 + 610 + 43 = 666.

It is not a de Polignac number, because 11261043 - 2⁵ = 11261011 is a prime.

It is a super-2 number, since 2×11261043² = 253622178895698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11261023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 625605 + ... + 625622.

It is an arithmetic number, because the mean of its divisors is an integer number (2710994).

Almost surely, 2^11261043 is an apocalyptic number.

11261043 is a deficient number, since it is larger than the sum of its proper divisors (5004921).

11261043 is a wasteful number, since it uses less digits than its factorization.

11261043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251233 (or 1251230 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 11261043 is about 3355.7477557170. The cubic root of 11261043 is about 224.1435291337.

Adding to 11261043 its reverse (34016211), we get a palindrome (45277254).

The spelling of 11261043 in words is "eleven million, two hundred sixty-one thousand, forty-three".