61118588 has 12 divisors (see below), whose sum is σ = 107017512. Its totient is φ = 30542160.

The previous prime is 61118581. The next prime is 61118591. The reversal of 61118588 is 88581116.

61118588 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61118588² = 7470963598227488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61118581) 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, 7106 + ... + 13142.

It is an arithmetic number, because the mean of its divisors is an integer number (8918126).

Almost surely, 2^61118588 is an apocalyptic number.

It is an amenable number.

61118588 is a deficient number, since it is larger than the sum of its proper divisors (45898924).

61118588 is a wasteful number, since it uses less digits than its factorization.

61118588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8572 (or 8570 counting only the distinct ones).

The product of its digits is 15360, while the sum is 38.

The square root of 61118588 is about 7817.8378084992. The cubic root of 61118588 is about 393.9046468041.

The spelling of 61118588 in words is "sixty-one million, one hundred eighteen thousand, five hundred eighty-eight".