4161051111 has 8 divisors (see below), whose sum is σ = 6340649344. Its totient is φ = 2377743480.

The previous prime is 4161051061. The next prime is 4161051113. The reversal of 4161051111 is 1111501614.

4161051111 is digitally balanced in base 2 and base 4, because in such bases 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 not a de Polignac number, because 4161051111 - 2¹⁴ = 4161034727 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 198145291 = 4161051111 / (4 + 1 + 6 + 1 + 0 + 5 + 1 + 1 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161051113) 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, 99072625 + ... + 99072666.

It is an arithmetic number, because the mean of its divisors is an integer number (792581168).

Almost surely, 2^4161051111 is an apocalyptic number.

4161051111 is a deficient number, since it is larger than the sum of its proper divisors (2179598233).

4161051111 is a wasteful number, since it uses less digits than its factorization.

4161051111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198145301.

The product of its (nonzero) digits is 120, while the sum is 21.

The square root of 4161051111 is about 64506.2098638573. The cubic root of 4161051111 is about 1608.4257480886.

Adding to 4161051111 its reverse (1111501614), we get a palindrome (5272552725).

The spelling of 4161051111 in words is "four billion, one hundred sixty-one million, fifty-one thousand, one hundred eleven".