61010538844 has 12 divisors (see below), whose sum is σ = 108272224368. Its totient is φ = 30075617600.

The previous prime is 61010538833. The next prime is 61010538907. The reversal of 61010538844 is 44883501016.

It is a junction number, because it is equal to n+sod(n) for n = 61010538797 and 61010538806.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 107412637 + ... + 107413204.

It is an arithmetic number, because the mean of its divisors is an integer number (9022685364).

Almost surely, 2^61010538844 is an apocalyptic number.

It is an amenable number.

61010538844 is a deficient number, since it is larger than the sum of its proper divisors (47261685524).

61010538844 is a wasteful number, since it uses less digits than its factorization.

61010538844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214825916 (or 214825914 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 61010538844 in words is "sixty-one billion, ten million, five hundred thirty-eight thousand, eight hundred forty-four".