61043111 has 8 divisors (see below), whose sum is σ = 62932560. Its totient is φ = 59182272.

The previous prime is 61043077. The next prime is 61043113. The reversal of 61043111 is 11134016.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61043111 is a prime.

It is a super-2 number, since 2×61043111² = 7452522801116642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61043111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61043113) 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, 2780 + ... + 11393.

It is an arithmetic number, because the mean of its divisors is an integer number (7866570).

Almost surely, 2^61043111 is an apocalyptic number.

61043111 is a deficient number, since it is larger than the sum of its proper divisors (1889449).

61043111 is a wasteful number, since it uses less digits than its factorization.

61043111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14305.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 61043111 is about 7813.0090874131. The cubic root of 61043111 is about 393.7424321717.

Adding to 61043111 its reverse (11134016), we get a palindrome (72177127).

The spelling of 61043111 in words is "sixty-one million, forty-three thousand, one hundred eleven".