61105018 has 8 divisors (see below), whose sum is σ = 98708148. Its totient is φ = 28202304.

The previous prime is 61105003. The next prime is 61105027. The reversal of 61105018 is 81050116.

It can be written as a sum of positive squares in 2 ways, for example, as 54066609 + 7038409 = 7353^2 + 2653^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 61105018.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175071 + ... + 1175122.

Almost surely, 2^61105018 is an apocalyptic number.

61105018 is a deficient number, since it is larger than the sum of its proper divisors (37603130).

61105018 is a wasteful number, since it uses less digits than its factorization.

61105018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350208.

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 61105018 is about 7816.9698732949. The cubic root of 61105018 is about 393.8754921073.

The spelling of 61105018 in words is "sixty-one million, one hundred five thousand, eighteen".