61112205 has 64 divisors (see below), whose sum is σ = 135475200. Its totient is φ = 25392960.

The previous prime is 61112203. The next prime is 61112213. The reversal of 61112205 is 50221116.

It is not a de Polignac number, because 61112205 - 2¹ = 61112203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61112203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7456 + ... + 13334.

It is an arithmetic number, because the mean of its divisors is an integer number (2116800).

Almost surely, 2^61112205 is an apocalyptic number.

It is an amenable number.

61112205 is an abundant number, since it is smaller than the sum of its proper divisors (74362995).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61112205 is a wasteful number, since it uses less digits than its factorization.

61112205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5911 (or 5905 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 61112205 is about 7817.4295647610. The cubic root of 61112205 is about 393.8909336770.

The spelling of 61112205 in words is "sixty-one million, one hundred twelve thousand, two hundred five".