61135505 has 8 divisors (see below), whose sum is σ = 74606400. Its totient is φ = 48079216.

The previous prime is 61135439. The next prime is 61135513. The reversal of 61135505 is 50553116.

61135505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 61135505 - 2¹⁸ = 60873361 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 103325 + ... + 103914.

It is an arithmetic number, because the mean of its divisors is an integer number (9325800).

Almost surely, 2^61135505 is an apocalyptic number.

It is an amenable number.

61135505 is a deficient number, since it is larger than the sum of its proper divisors (13470895).

61135505 is a wasteful number, since it uses less digits than its factorization.

61135505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207303.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 61135505 is about 7818.9196824114. The cubic root of 61135505 is about 393.9409863772.

The spelling of 61135505 in words is "sixty-one million, one hundred thirty-five thousand, five hundred five".