61116103 has 4 divisors (see below), whose sum is σ = 64332760. Its totient is φ = 57899448.

The previous prime is 61116101. The next prime is 61116113. The reversal of 61116103 is 30161116.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61116103 - 2¹ = 61116101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 3216637 = 61116103 / (6 + 1 + 1 + 1 + 6 + 1 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61116101) 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, 1608300 + ... + 1608337.

It is an arithmetic number, because the mean of its divisors is an integer number (16083190).

Almost surely, 2^61116103 is an apocalyptic number.

61116103 is a deficient number, since it is larger than the sum of its proper divisors (3216657).

61116103 is a wasteful number, since it uses less digits than its factorization.

61116103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216656.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 61116103 is about 7817.6788754719. The cubic root of 61116103 is about 393.8993081865.

Adding to 61116103 its reverse (30161116), we get a palindrome (91277219).

The spelling of 61116103 in words is "sixty-one million, one hundred sixteen thousand, one hundred three".