61910540445050 has 288 divisors, whose sum is σ = 130291744169664. Its totient is φ = 21858333235200.

The previous prime is 61910540445049. The next prime is 61910540445077. The reversal of 61910540445050 is 5054404501916.

It is a junction number, because it is equal to n+sod(n) for n = 61910540444992 and 61910540445010.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 39865125074 + ... + 39865126626.

It is an arithmetic number, because the mean of its divisors is an integer number (452401889478).

Almost surely, 2^{61910540445050} is an apocalyptic number.

61910540445050 is an abundant number, since it is smaller than the sum of its proper divisors (68381203724614).

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

61910540445050 is a wasteful number, since it uses less digits than its factorization.

61910540445050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446 (or 2430 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 44.

Adding to 61910540445050 its reverse (5054404501916), we get a palindrome (66964944946966).

The spelling of 61910540445050 in words is "sixty-one trillion, nine hundred ten billion, five hundred forty million, four hundred forty-five thousand, fifty".