61103085 has 16 divisors (see below), whose sum is σ = 98190144. Its totient is φ = 32446592.

The previous prime is 61103071. The next prime is 61103101. The reversal of 61103085 is 58030116.

It is a cyclic number.

It is not a de Polignac number, because 61103085 - 2¹⁰ = 61102061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5247 + ... + 12236.

It is an arithmetic number, because the mean of its divisors is an integer number (6136884).

Almost surely, 2^61103085 is an apocalyptic number.

It is an amenable number.

61103085 is a deficient number, since it is larger than the sum of its proper divisors (37087059).

61103085 is a wasteful number, since it uses less digits than its factorization.

61103085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17724.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 61103085 is about 7816.8462310576. The cubic root of 61103085 is about 393.8713387694.

The spelling of 61103085 in words is "sixty-one million, one hundred three thousand, eighty-five".