11071945 has 8 divisors (see below), whose sum is σ = 13316544. Its totient is φ = 8837424.

The previous prime is 11071943. The next prime is 11071961. The reversal of 11071945 is 54917011.

11071945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11071945 - 2¹ = 11071943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11071943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162 + ... + 4708.

It is an arithmetic number, because the mean of its divisors is an integer number (1664568).

Almost surely, 2^11071945 is an apocalyptic number.

It is an amenable number.

11071945 is a deficient number, since it is larger than the sum of its proper divisors (2244599).

11071945 is an equidigital number, since it uses as much as digits as its factorization.

11071945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5039.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 11071945 is about 3327.4532303250. The cubic root of 11071945 is about 222.8818171664.

Adding to 11071945 its reverse (54917011), we get a palindrome (65988956).

The spelling of 11071945 in words is "eleven million, seventy-one thousand, nine hundred forty-five".