61344111 has 4 divisors (see below), whose sum is σ = 81792152. Its totient is φ = 40896072.

The previous prime is 61344097. The next prime is 61344121. The reversal of 61344111 is 11144316.

61344111 is digitally balanced in base 2, because in such base 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 not a de Polignac number, because 61344111 - 2⁶ = 61344047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61344121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10224016 + ... + 10224021.

It is an arithmetic number, because the mean of its divisors is an integer number (20448038).

Almost surely, 2^61344111 is an apocalyptic number.

61344111 is a deficient number, since it is larger than the sum of its proper divisors (20448041).

61344111 is a wasteful number, since it uses less digits than its factorization.

61344111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20448040.

The product of its digits is 288, while the sum is 21.

The square root of 61344111 is about 7832.2481446900. The cubic root of 61344111 is about 394.3885449641.

Adding to 61344111 its reverse (11144316), we get a palindrome (72488427).

The spelling of 61344111 in words is "sixty-one million, three hundred forty-four thousand, one hundred eleven".