111061841 has 4 divisors (see below), whose sum is σ = 121158384. Its totient is φ = 100965300.

The previous prime is 111061831. The next prime is 111061849. The reversal of 111061841 is 148160111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 148160111 = 11 ⋅13469101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111061841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111061849) 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, 5048255 + ... + 5048276.

It is an arithmetic number, because the mean of its divisors is an integer number (30289596).

Almost surely, 2^111061841 is an apocalyptic number.

111061841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111061841 is a deficient number, since it is larger than the sum of its proper divisors (10096543).

111061841 is a wasteful number, since it uses less digits than its factorization.

111061841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10096542.

The product of its (nonzero) digits is 192, while the sum is 23.

The square root of 111061841 is about 10538.5881881778. The cubic root of 111061841 is about 480.6787864666.

The spelling of 111061841 in words is "one hundred eleven million, sixty-one thousand, eight hundred forty-one".