61012655085 has 8 divisors (see below), whose sum is σ = 97620248160. Its totient is φ = 32540082704.

The previous prime is 61012655051. The next prime is 61012655107. The reversal of 61012655085 is 58055621016.

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 61012655085 - 2¹² = 61012650989 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2033755155 + ... + 2033755184.

It is an arithmetic number, because the mean of its divisors is an integer number (12202531020).

Almost surely, 2^61012655085 is an apocalyptic number.

It is an amenable number.

61012655085 is a deficient number, since it is larger than the sum of its proper divisors (36607593075).

61012655085 is a wasteful number, since it uses less digits than its factorization.

61012655085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067510347.

The product of its (nonzero) digits is 72000, while the sum is 39.

The spelling of 61012655085 in words is "sixty-one billion, twelve million, six hundred fifty-five thousand, eighty-five".