1111741161 has 8 divisors (see below), whose sum is σ = 1489771200. Its totient is φ = 737435952.

The previous prime is 1111741159. The next prime is 1111741171. The reversal of 1111741161 is 1611471111.

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

It is not a de Polignac number, because 1111741161 - 2¹ = 1111741159 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1111741151) 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, 930510 + ... + 931703.

It is an arithmetic number, because the mean of its divisors is an integer number (186221400).

Almost surely, 2^1111741161 is an apocalyptic number.

It is an amenable number.

1111741161 is a deficient number, since it is larger than the sum of its proper divisors (378030039).

1111741161 is a wasteful number, since it uses less digits than its factorization.

1111741161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862415.

The product of its digits is 168, while the sum is 24.

The square root of 1111741161 is about 33342.7827422967. The cubic root of 1111741161 is about 1035.9399028088.

The spelling of 1111741161 in words is "one billion, one hundred eleven million, seven hundred forty-one thousand, one hundred sixty-one".