61361504050 has 192 divisors, whose sum is σ = 146461125888. Its totient is φ = 18570240000.

The previous prime is 61361504041. The next prime is 61361504051. The reversal of 61361504050 is 5040516316.

It is not an unprimeable number, because it can be changed into a prime (61361504051) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 38041044 + ... + 38042656.

It is an arithmetic number, because the mean of its divisors is an integer number (762818364).

Almost surely, 2^61361504050 is an apocalyptic number.

61361504050 is an abundant number, since it is smaller than the sum of its proper divisors (85099621838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61361504050 is a wasteful number, since it uses less digits than its factorization.

61361504050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925 (or 1920 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 61361504050 in words is "sixty-one billion, three hundred sixty-one million, five hundred four thousand, fifty".