61000118 has 4 divisors (see below), whose sum is σ = 91500180. Its totient is φ = 30500058.

The previous prime is 61000111. The next prime is 61000133. The reversal of 61000118 is 81100016.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61000096 and 61000105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61000111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15250028 + ... + 15250031.

It is an arithmetic number, because the mean of its divisors is an integer number (22875045).

Almost surely, 2^61000118 is an apocalyptic number.

61000118 is a deficient number, since it is larger than the sum of its proper divisors (30500062).

61000118 is a wasteful number, since it uses less digits than its factorization.

61000118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30500061.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 61000118 is about 7810.2572300789. The cubic root of 61000118 is about 393.6499721388.

The spelling of 61000118 in words is "sixty-one million, one hundred eighteen", and thus it is an aban number.