1111206041 has 12 divisors (see below), whose sum is σ = 1230342036. Its totient is φ = 1002798720.

The previous prime is 1111206023. The next prime is 1111206053. The reversal of 1111206041 is 1406021111.

It can be written as a sum of positive squares in 2 ways, for example, as 270438025 + 840768016 = 16445^2 + 28996^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1111206041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111206841) 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, 16940 + ... + 50093.

It is an arithmetic number, because the mean of its divisors is an integer number (102528503).

Almost surely, 2^1111206041 is an apocalyptic number.

1111206041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1111206041 is a deficient number, since it is larger than the sum of its proper divisors (119135995).

1111206041 is a wasteful number, since it uses less digits than its factorization.

1111206041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67192 (or 67181 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 1111206041 is about 33334.7572512535. The cubic root of 1111206041 is about 1035.7736647349.

Adding to 1111206041 its reverse (1406021111), we get a palindrome (2517227152).

The spelling of 1111206041 in words is "one billion, one hundred eleven million, two hundred six thousand, forty-one".