11061971 has 4 divisors (see below), whose sum is σ = 11644200. Its totient is φ = 10479744.

The previous prime is 11061931. The next prime is 11061979. The reversal of 11061971 is 17916011.

11061971 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11061971 - 2¹⁸ = 10799827 is a prime.

It is a super-3 number, since 3×11061971³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11061971.

It is not an unprimeable number, because it can be changed into a prime (11061979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291086 + ... + 291123.

It is an arithmetic number, because the mean of its divisors is an integer number (2911050).

Almost surely, 2^11061971 is an apocalyptic number.

11061971 is a deficient number, since it is larger than the sum of its proper divisors (582229).

11061971 is an equidigital number, since it uses as much as digits as its factorization.

11061971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582228.

The product of its (nonzero) digits is 378, while the sum is 26.

The square root of 11061971 is about 3325.9541488120. The cubic root of 11061971 is about 222.8148704494.

Adding to 11061971 its reverse (17916011), we get a palindrome (28977982).

The spelling of 11061971 in words is "eleven million, sixty-one thousand, nine hundred seventy-one".