11111061 has 8 divisors (see below), whose sum is σ = 15954400. Its totient is φ = 6837552.

The previous prime is 11111053. The next prime is 11111069. The reversal of 11111061 is 16011111.

It is an interprime number because it is at equal distance from previous prime (11111053) and next prime (11111069).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11111061 - 2³ = 11111053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142411 + ... + 142488.

It is an arithmetic number, because the mean of its divisors is an integer number (1994300).

Almost surely, 2^11111061 is an apocalyptic number.

It is an amenable number.

11111061 is a deficient number, since it is larger than the sum of its proper divisors (4843339).

11111061 is a wasteful number, since it uses less digits than its factorization.

11111061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284915.

The product of its (nonzero) digits is 6, while the sum is 12.

The square root of 11111061 is about 3333.3258166582. The cubic root of 11111061 is about 223.1439812333.

Adding to 11111061 its reverse (16011111), we get a palindrome (27122172).

The spelling of 11111061 in words is "eleven million, one hundred eleven thousand, sixty-one".