61058635858 has 64 divisors (see below), whose sum is σ = 104542099200. Its totient is φ = 26492112640.

The previous prime is 61058635819. The next prime is 61058635873. The reversal of 61058635858 is 85853685016.

It is a junction number, because it is equal to n+sod(n) for n = 61058635799 and 61058635808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20988108 + ... + 20991016.

It is an arithmetic number, because the mean of its divisors is an integer number (1633470300).

Almost surely, 2^61058635858 is an apocalyptic number.

61058635858 is a deficient number, since it is larger than the sum of its proper divisors (43483463342).

61058635858 is a wasteful number, since it uses less digits than its factorization.

61058635858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315.

The product of its (nonzero) digits is 6912000, while the sum is 55.

The spelling of 61058635858 in words is "sixty-one billion, fifty-eight million, six hundred thirty-five thousand, eight hundred fifty-eight".