61011573050 has 24 divisors (see below), whose sum is σ = 113523003036. Its totient is φ = 24395709440.

The previous prime is 61011572987. The next prime is 61011573067. The reversal of 61011573050 is 5037511016.

61011573050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 45950638321 + 15060934729 = 214361^2 + 122723^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83969 + ... + 359268.

Almost surely, 2^61011573050 is an apocalyptic number.

61011573050 is a deficient number, since it is larger than the sum of its proper divisors (52511429986).

61011573050 is a wasteful number, since it uses less digits than its factorization.

61011573050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446002 (or 445997 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 29.

The spelling of 61011573050 in words is "sixty-one billion, eleven million, five hundred seventy-three thousand, fifty".